Home / 454,451.40-681,677.10-134,614.80

Finding the Fourth Proportional to 454,451.40, 681,677.10 and 134,614.80

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Solution

The fourth proportional to 454,451.40, 681,677.10 and 134,614.80 is: 201,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,451.40 : 681,677.10 = 134,614.80 : x
  2. Step 2: Convert to fraction form
    454,451.40/681,677.10 = 134,614.80/x
  3. Step 3: Cross multiply
    454,451.40x = 681,677.10 × 134,614.80
  4. Step 4: Simplify right side
    454,451.40x = 91,763,826,481.08
  5. Step 5: Solve for x
    x = 91,763,826,481.08/454,451.40
  6. Step 6: Final answer
    x = 201,922.20

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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.