Home / 157,691.68-236,396.85-57,828.53

Finding the Fourth Proportional to 157,691.68, 236,396.85 and 57,828.53

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Solution

The fourth proportional to 157,691.68, 236,396.85 and 57,828.53 is: 86,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,691.68 : 236,396.85 = 57,828.53 : x
  2. Step 2: Convert to fraction form
    157,691.68/236,396.85 = 57,828.53/x
  3. Step 3: Cross multiply
    157,691.68x = 236,396.85 × 57,828.53
  4. Step 4: Simplify right side
    157,691.68x = 13,670,482,706.27
  5. Step 5: Solve for x
    x = 13,670,482,706.27/157,691.68
  6. Step 6: Final answer
    x = 86,691.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.