Home / 157,854.24-217,799.82-101,342.16

Finding the Fourth Proportional to 157,854.24, 217,799.82 and 101,342.16

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Solution

The fourth proportional to 157,854.24, 217,799.82 and 101,342.16 is: 139,827.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,854.24 : 217,799.82 = 101,342.16 : x
  2. Step 2: Convert to fraction form
    157,854.24/217,799.82 = 101,342.16/x
  3. Step 3: Cross multiply
    157,854.24x = 217,799.82 × 101,342.16
  4. Step 4: Simplify right side
    157,854.24x = 22,072,304,206.41
  5. Step 5: Solve for x
    x = 22,072,304,206.41/157,854.24
  6. Step 6: Final answer
    x = 139,827.12

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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.