Home / 127,169.55-190,776.20-52,330.41

Finding the Fourth Proportional to 127,169.55, 190,776.20 and 52,330.41

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Solution

The fourth proportional to 127,169.55, 190,776.20 and 52,330.41 is: 78,504.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,169.55 : 190,776.20 = 52,330.41 : x
  2. Step 2: Convert to fraction form
    127,169.55/190,776.20 = 52,330.41/x
  3. Step 3: Cross multiply
    127,169.55x = 190,776.20 × 52,330.41
  4. Step 4: Simplify right side
    127,169.55x = 9,983,396,502.59
  5. Step 5: Solve for x
    x = 9,983,396,502.59/127,169.55
  6. Step 6: Final answer
    x = 78,504.61

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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.