Home / 229,347.20-316,503.38-127,382.11

Finding the Fourth Proportional to 229,347.20, 316,503.38 and 127,382.11

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Solution

The fourth proportional to 229,347.20, 316,503.38 and 127,382.11 is: 175,789.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,347.20 : 316,503.38 = 127,382.11 : x
  2. Step 2: Convert to fraction form
    229,347.20/316,503.38 = 127,382.11/x
  3. Step 3: Cross multiply
    229,347.20x = 316,503.38 × 127,382.11
  4. Step 4: Simplify right side
    229,347.20x = 40,316,867,893.73
  5. Step 5: Solve for x
    x = 40,316,867,893.73/229,347.20
  6. Step 6: Final answer
    x = 175,789.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.