Home / 157,772.68-217,725.78-94,113.16

Finding the Fourth Proportional to 157,772.68, 217,725.78 and 94,113.16

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Solution

The fourth proportional to 157,772.68, 217,725.78 and 94,113.16 is: 129,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,772.68 : 217,725.78 = 94,113.16 : x
  2. Step 2: Convert to fraction form
    157,772.68/217,725.78 = 94,113.16/x
  3. Step 3: Cross multiply
    157,772.68x = 217,725.78 × 94,113.16
  4. Step 4: Simplify right side
    157,772.68x = 20,490,861,169.26
  5. Step 5: Solve for x
    x = 20,490,861,169.26/157,772.68
  6. Step 6: Final answer
    x = 129,875.85

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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.