Home / 156,337.20-234,160.20-120,999.60

Finding the Fourth Proportional to 156,337.20, 234,160.20 and 120,999.60

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Solution

The fourth proportional to 156,337.20, 234,160.20 and 120,999.60 is: 181,231.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,337.20 : 234,160.20 = 120,999.60 : x
  2. Step 2: Convert to fraction form
    156,337.20/234,160.20 = 120,999.60/x
  3. Step 3: Cross multiply
    156,337.20x = 234,160.20 × 120,999.60
  4. Step 4: Simplify right side
    156,337.20x = 28,333,290,535.92
  5. Step 5: Solve for x
    x = 28,333,290,535.92/156,337.20
  6. Step 6: Final answer
    x = 181,231.92

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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.