Home / 172,137.28-237,571.68-96,685.78

Finding the Fourth Proportional to 172,137.28, 237,571.68 and 96,685.78

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Solution

The fourth proportional to 172,137.28, 237,571.68 and 96,685.78 is: 133,438.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,137.28 : 237,571.68 = 96,685.78 : x
  2. Step 2: Convert to fraction form
    172,137.28/237,571.68 = 96,685.78/x
  3. Step 3: Cross multiply
    172,137.28x = 237,571.68 × 96,685.78
  4. Step 4: Simplify right side
    172,137.28x = 22,969,803,186.71
  5. Step 5: Solve for x
    x = 22,969,803,186.71/172,137.28
  6. Step 6: Final answer
    x = 133,438.86

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1.5x scale

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.