Home / 157,543.38-217,407.24-85,919.13

Finding the Fourth Proportional to 157,543.38, 217,407.24 and 85,919.13

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Solution

The fourth proportional to 157,543.38, 217,407.24 and 85,919.13 is: 118,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,543.38 : 217,407.24 = 85,919.13 : x
  2. Step 2: Convert to fraction form
    157,543.38/217,407.24 = 85,919.13/x
  3. Step 3: Cross multiply
    157,543.38x = 217,407.24 × 85,919.13
  4. Step 4: Simplify right side
    157,543.38x = 18,679,440,916.50
  5. Step 5: Solve for x
    x = 18,679,440,916.50/157,543.38
  6. Step 6: Final answer
    x = 118,566.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.