Home / 229,521.11-316,718.96-127,540.11

Finding the Fourth Proportional to 229,521.11, 316,718.96 and 127,540.11

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Solution

The fourth proportional to 229,521.11, 316,718.96 and 127,540.11 is: 175,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,521.11 : 316,718.96 = 127,540.11 : x
  2. Step 2: Convert to fraction form
    229,521.11/316,718.96 = 127,540.11/x
  3. Step 3: Cross multiply
    229,521.11x = 316,718.96 × 127,540.11
  4. Step 4: Simplify right side
    229,521.11x = 40,394,369,732.74
  5. Step 5: Solve for x
    x = 40,394,369,732.74/229,521.11
  6. Step 6: Final answer
    x = 175,994.14

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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.