Home / 171,048.30-256,572.45-115,061.10

Finding the Fourth Proportional to 171,048.30, 256,572.45 and 115,061.10

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Solution

The fourth proportional to 171,048.30, 256,572.45 and 115,061.10 is: 172,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,048.30 : 256,572.45 = 115,061.10 : x
  2. Step 2: Convert to fraction form
    171,048.30/256,572.45 = 115,061.10/x
  3. Step 3: Cross multiply
    171,048.30x = 256,572.45 × 115,061.10
  4. Step 4: Simplify right side
    171,048.30x = 29,521,508,326.70
  5. Step 5: Solve for x
    x = 29,521,508,326.70/171,048.30
  6. Step 6: Final answer
    x = 172,591.65

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1.5x scale

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.