Home / 229,538.70-316,753.20-127,571.31

Finding the Fourth Proportional to 229,538.70, 316,753.20 and 127,571.31

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Solution

The fourth proportional to 229,538.70, 316,753.20 and 127,571.31 is: 176,042.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,538.70 : 316,753.20 = 127,571.31 : x
  2. Step 2: Convert to fraction form
    229,538.70/316,753.20 = 127,571.31/x
  3. Step 3: Cross multiply
    229,538.70x = 316,753.20 × 127,571.31
  4. Step 4: Simplify right side
    229,538.70x = 40,408,620,670.69
  5. Step 5: Solve for x
    x = 40,408,620,670.69/229,538.70
  6. Step 6: Final answer
    x = 176,042.74

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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.