Home / 157,414.74-217,225.98-85,793.22

Finding the Fourth Proportional to 157,414.74, 217,225.98 and 85,793.22

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Solution

The fourth proportional to 157,414.74, 217,225.98 and 85,793.22 is: 118,391.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,414.74 : 217,225.98 = 85,793.22 : x
  2. Step 2: Convert to fraction form
    157,414.74/217,225.98 = 85,793.22/x
  3. Step 3: Cross multiply
    157,414.74x = 217,225.98 × 85,793.22
  4. Step 4: Simplify right side
    157,414.74x = 18,636,516,291.86
  5. Step 5: Solve for x
    x = 18,636,516,291.86/157,414.74
  6. Step 6: Final answer
    x = 118,391.18

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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.