Home / 229,531.56-344,287.89-79,805.76

Finding the Fourth Proportional to 229,531.56, 344,287.89 and 79,805.76

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Solution

The fourth proportional to 229,531.56, 344,287.89 and 79,805.76 is: 119,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,531.56 : 344,287.89 = 79,805.76 : x
  2. Step 2: Convert to fraction form
    229,531.56/344,287.89 = 79,805.76/x
  3. Step 3: Cross multiply
    229,531.56x = 344,287.89 × 79,805.76
  4. Step 4: Simplify right side
    229,531.56x = 27,476,156,720.25
  5. Step 5: Solve for x
    x = 27,476,156,720.25/229,531.56
  6. Step 6: Final answer
    x = 119,705.35

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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.