Home / 122,519.85-183,805.29-38,276.61

Finding the Fourth Proportional to 122,519.85, 183,805.29 and 38,276.61

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Solution

The fourth proportional to 122,519.85, 183,805.29 and 38,276.61 is: 57,422.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,519.85 : 183,805.29 = 38,276.61 : x
  2. Step 2: Convert to fraction form
    122,519.85/183,805.29 = 38,276.61/x
  3. Step 3: Cross multiply
    122,519.85x = 183,805.29 × 38,276.61
  4. Step 4: Simplify right side
    122,519.85x = 7,035,443,209.88
  5. Step 5: Solve for x
    x = 7,035,443,209.88/122,519.85
  6. Step 6: Final answer
    x = 57,422.88

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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.