Home / 157,928.68-237,057.05-91,498.55

Finding the Fourth Proportional to 157,928.68, 237,057.05 and 91,498.55

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Solution

The fourth proportional to 157,928.68, 237,057.05 and 91,498.55 is: 137,342.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,928.68 : 237,057.05 = 91,498.55 : x
  2. Step 2: Convert to fraction form
    157,928.68/237,057.05 = 91,498.55/x
  3. Step 3: Cross multiply
    157,928.68x = 237,057.05 × 91,498.55
  4. Step 4: Simplify right side
    157,928.68x = 21,690,376,477.43
  5. Step 5: Solve for x
    x = 21,690,376,477.43/157,928.68
  6. Step 6: Final answer
    x = 137,342.86

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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.