Home / 82,166.46-123,252.78-23,000.61

Finding the Fourth Proportional to 82,166.46, 123,252.78 and 23,000.61

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Solution

The fourth proportional to 82,166.46, 123,252.78 and 23,000.61 is: 34,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,166.46 : 123,252.78 = 23,000.61 : x
  2. Step 2: Convert to fraction form
    82,166.46/123,252.78 = 23,000.61/x
  3. Step 3: Cross multiply
    82,166.46x = 123,252.78 × 23,000.61
  4. Step 4: Simplify right side
    82,166.46x = 2,834,889,124.20
  5. Step 5: Solve for x
    x = 2,834,889,124.20/82,166.46
  6. Step 6: Final answer
    x = 34,501.78

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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.