Home / 122,882.27-184,208.58-66,639.92

Finding the Fourth Proportional to 122,882.27, 184,208.58 and 66,639.92

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Solution

The fourth proportional to 122,882.27, 184,208.58 and 66,639.92 is: 99,897.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,882.27 : 184,208.58 = 66,639.92 : x
  2. Step 2: Convert to fraction form
    122,882.27/184,208.58 = 66,639.92/x
  3. Step 3: Cross multiply
    122,882.27x = 184,208.58 × 66,639.92
  4. Step 4: Simplify right side
    122,882.27x = 12,275,644,113.47
  5. Step 5: Solve for x
    x = 12,275,644,113.47/122,882.27
  6. Step 6: Final answer
    x = 99,897.61

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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.