Home / 157,495.68-217,340.04-85,877.04

Finding the Fourth Proportional to 157,495.68, 217,340.04 and 85,877.04

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Solution

The fourth proportional to 157,495.68, 217,340.04 and 85,877.04 is: 118,508.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,495.68 : 217,340.04 = 85,877.04 : x
  2. Step 2: Convert to fraction form
    157,495.68/217,340.04 = 85,877.04/x
  3. Step 3: Cross multiply
    157,495.68x = 217,340.04 × 85,877.04
  4. Step 4: Simplify right side
    157,495.68x = 18,664,519,308.68
  5. Step 5: Solve for x
    x = 18,664,519,308.68/157,495.68
  6. Step 6: Final answer
    x = 118,508.14

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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.