Home / 154,460.82-231,695.28-49,279.80

Finding the Fourth Proportional to 154,460.82, 231,695.28 and 49,279.80

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Solution

The fourth proportional to 154,460.82, 231,695.28 and 49,279.80 is: 73,920.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,460.82 : 231,695.28 = 49,279.80 : x
  2. Step 2: Convert to fraction form
    154,460.82/231,695.28 = 49,279.80/x
  3. Step 3: Cross multiply
    154,460.82x = 231,695.28 × 49,279.80
  4. Step 4: Simplify right side
    154,460.82x = 11,417,897,059.34
  5. Step 5: Solve for x
    x = 11,417,897,059.34/154,460.82
  6. Step 6: Final answer
    x = 73,920.99

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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.