Home / 229,490.11-316,747.77-127,551.31

Finding the Fourth Proportional to 229,490.11, 316,747.77 and 127,551.31

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Solution

The fourth proportional to 229,490.11, 316,747.77 and 127,551.31 is: 176,049.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,490.11 : 316,747.77 = 127,551.31 : x
  2. Step 2: Convert to fraction form
    229,490.11/316,747.77 = 127,551.31/x
  3. Step 3: Cross multiply
    229,490.11x = 316,747.77 × 127,551.31
  4. Step 4: Simplify right side
    229,490.11x = 40,401,591,732.89
  5. Step 5: Solve for x
    x = 40,401,591,732.89/229,490.11
  6. Step 6: Final answer
    x = 176,049.38

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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.