Home / 229,379.28-316,534.61-127,411.24

Finding the Fourth Proportional to 229,379.28, 316,534.61 and 127,411.24

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Solution

The fourth proportional to 229,379.28, 316,534.61 and 127,411.24 is: 175,822.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,379.28 : 316,534.61 = 127,411.24 : x
  2. Step 2: Convert to fraction form
    229,379.28/316,534.61 = 127,411.24/x
  3. Step 3: Cross multiply
    229,379.28x = 316,534.61 × 127,411.24
  4. Step 4: Simplify right side
    229,379.28x = 40,330,067,370.49
  5. Step 5: Solve for x
    x = 40,330,067,370.49/229,379.28
  6. Step 6: Final answer
    x = 175,822.63

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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.