Home / 454,057.40-681,086.10-187,729.40

Finding the Fourth Proportional to 454,057.40, 681,086.10 and 187,729.40

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Solution

The fourth proportional to 454,057.40, 681,086.10 and 187,729.40 is: 281,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,057.40 : 681,086.10 = 187,729.40 : x
  2. Step 2: Convert to fraction form
    454,057.40/681,086.10 = 187,729.40/x
  3. Step 3: Cross multiply
    454,057.40x = 681,086.10 × 187,729.40
  4. Step 4: Simplify right side
    454,057.40x = 127,859,884,901.34
  5. Step 5: Solve for x
    x = 127,859,884,901.34/454,057.40
  6. Step 6: Final answer
    x = 281,594.10

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Similar ratio
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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.