Home / 177,638.55-266,457.83-128,066.55

Finding the Fourth Proportional to 177,638.55, 266,457.83 and 128,066.55

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Solution

The fourth proportional to 177,638.55, 266,457.83 and 128,066.55 is: 192,099.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,638.55 : 266,457.83 = 128,066.55 : x
  2. Step 2: Convert to fraction form
    177,638.55/266,457.83 = 128,066.55/x
  3. Step 3: Cross multiply
    177,638.55x = 266,457.83 × 128,066.55
  4. Step 4: Simplify right side
    177,638.55x = 34,124,334,368.25
  5. Step 5: Solve for x
    x = 34,124,334,368.25/177,638.55
  6. Step 6: Final answer
    x = 192,099.83

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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.