Home / 282,560.11-423,861.87-80,152.75

Finding the Fourth Proportional to 282,560.11, 423,861.87 and 80,152.75

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Solution

The fourth proportional to 282,560.11, 423,861.87 and 80,152.75 is: 120,235.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,560.11 : 423,861.87 = 80,152.75 : x
  2. Step 2: Convert to fraction form
    282,560.11/423,861.87 = 80,152.75/x
  3. Step 3: Cross multiply
    282,560.11x = 423,861.87 × 80,152.75
  4. Step 4: Simplify right side
    282,560.11x = 33,973,694,500.64
  5. Step 5: Solve for x
    x = 33,973,694,500.64/282,560.11
  6. Step 6: Final answer
    x = 120,235.28

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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.