Home / 172,120.32-237,593.76-108,446.28

Finding the Fourth Proportional to 172,120.32, 237,593.76 and 108,446.28

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Solution

The fourth proportional to 172,120.32, 237,593.76 and 108,446.28 is: 149,698.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,120.32 : 237,593.76 = 108,446.28 : x
  2. Step 2: Convert to fraction form
    172,120.32/237,593.76 = 108,446.28/x
  3. Step 3: Cross multiply
    172,120.32x = 237,593.76 × 108,446.28
  4. Step 4: Simplify right side
    172,120.32x = 25,766,159,423.21
  5. Step 5: Solve for x
    x = 25,766,159,423.21/172,120.32
  6. Step 6: Final answer
    x = 149,698.53

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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.