Home / 157,934.04-217,927.92-101,421.96

Finding the Fourth Proportional to 157,934.04, 217,927.92 and 101,421.96

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Solution

The fourth proportional to 157,934.04, 217,927.92 and 101,421.96 is: 139,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,934.04 : 217,927.92 = 101,421.96 : x
  2. Step 2: Convert to fraction form
    157,934.04/217,927.92 = 101,421.96/x
  3. Step 3: Cross multiply
    157,934.04x = 217,927.92 × 101,421.96
  4. Step 4: Simplify right side
    157,934.04x = 22,102,676,785.12
  5. Step 5: Solve for x
    x = 22,102,676,785.12/157,934.04
  6. Step 6: Final answer
    x = 139,948.78

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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.