Home / 173,851.30-260,700.15-80,385.70

Finding the Fourth Proportional to 173,851.30, 260,700.15 and 80,385.70

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Solution

The fourth proportional to 173,851.30, 260,700.15 and 80,385.70 is: 120,543.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,851.30 : 260,700.15 = 80,385.70 : x
  2. Step 2: Convert to fraction form
    173,851.30/260,700.15 = 80,385.70/x
  3. Step 3: Cross multiply
    173,851.30x = 260,700.15 × 80,385.70
  4. Step 4: Simplify right side
    173,851.30x = 20,956,564,047.86
  5. Step 5: Solve for x
    x = 20,956,564,047.86/173,851.30
  6. Step 6: Final answer
    x = 120,543.04

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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.