Home / 185,549.13-256,057.83-100,666.17

Finding the Fourth Proportional to 185,549.13, 256,057.83 and 100,666.17

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Solution

The fourth proportional to 185,549.13, 256,057.83 and 100,666.17 is: 138,919.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,549.13 : 256,057.83 = 100,666.17 : x
  2. Step 2: Convert to fraction form
    185,549.13/256,057.83 = 100,666.17/x
  3. Step 3: Cross multiply
    185,549.13x = 256,057.83 × 100,666.17
  4. Step 4: Simplify right side
    185,549.13x = 25,776,361,044.61
  5. Step 5: Solve for x
    x = 25,776,361,044.61/185,549.13
  6. Step 6: Final answer
    x = 138,919.33

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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.