Home / 289,061.10-433,591.65-156,200.85

Finding the Fourth Proportional to 289,061.10, 433,591.65 and 156,200.85

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Solution

The fourth proportional to 289,061.10, 433,591.65 and 156,200.85 is: 234,301.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,061.10 : 433,591.65 = 156,200.85 : x
  2. Step 2: Convert to fraction form
    289,061.10/433,591.65 = 156,200.85/x
  3. Step 3: Cross multiply
    289,061.10x = 433,591.65 × 156,200.85
  4. Step 4: Simplify right side
    289,061.10x = 67,727,384,282.90
  5. Step 5: Solve for x
    x = 67,727,384,282.90/289,061.10
  6. Step 6: Final answer
    x = 234,301.28

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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.