Home / 122,446.59-183,276.22-82,785.34

Finding the Fourth Proportional to 122,446.59, 183,276.22 and 82,785.34

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Solution

The fourth proportional to 122,446.59, 183,276.22 and 82,785.34 is: 123,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,446.59 : 183,276.22 = 82,785.34 : x
  2. Step 2: Convert to fraction form
    122,446.59/183,276.22 = 82,785.34/x
  3. Step 3: Cross multiply
    122,446.59x = 183,276.22 × 82,785.34
  4. Step 4: Simplify right side
    122,446.59x = 15,172,584,363.97
  5. Step 5: Solve for x
    x = 15,172,584,363.97/122,446.59
  6. Step 6: Final answer
    x = 123,911.86

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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.