Home / 157,725.73-217,658.61-89,741.22

Finding the Fourth Proportional to 157,725.73, 217,658.61 and 89,741.22

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Solution

The fourth proportional to 157,725.73, 217,658.61 and 89,741.22 is: 123,841.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,725.73 : 217,658.61 = 89,741.22 : x
  2. Step 2: Convert to fraction form
    157,725.73/217,658.61 = 89,741.22/x
  3. Step 3: Cross multiply
    157,725.73x = 217,658.61 × 89,741.22
  4. Step 4: Simplify right side
    157,725.73x = 19,532,949,204.90
  5. Step 5: Solve for x
    x = 19,532,949,204.90/157,725.73
  6. Step 6: Final answer
    x = 123,841.24

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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.