Home / 156,101.20-234,151.46-120,614.08

Finding the Fourth Proportional to 156,101.20, 234,151.46 and 120,614.08

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Solution

The fourth proportional to 156,101.20, 234,151.46 and 120,614.08 is: 180,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,101.20 : 234,151.46 = 120,614.08 : x
  2. Step 2: Convert to fraction form
    156,101.20/234,151.46 = 120,614.08/x
  3. Step 3: Cross multiply
    156,101.20x = 234,151.46 × 120,614.08
  4. Step 4: Simplify right side
    156,101.20x = 28,241,962,325.49
  5. Step 5: Solve for x
    x = 28,241,962,325.49/156,101.20
  6. Step 6: Final answer
    x = 180,920.85

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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.