Home / 366,971.35-550,457.03-156,630.55

Finding the Fourth Proportional to 366,971.35, 550,457.03 and 156,630.55

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Solution

The fourth proportional to 366,971.35, 550,457.03 and 156,630.55 is: 234,945.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,971.35 : 550,457.03 = 156,630.55 : x
  2. Step 2: Convert to fraction form
    366,971.35/550,457.03 = 156,630.55/x
  3. Step 3: Cross multiply
    366,971.35x = 550,457.03 × 156,630.55
  4. Step 4: Simplify right side
    366,971.35x = 86,218,387,360.27
  5. Step 5: Solve for x
    x = 86,218,387,360.27/366,971.35
  6. Step 6: Final answer
    x = 234,945.83

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.