Home / 229,135.11-343,658.17-115,252.57

Finding the Fourth Proportional to 229,135.11, 343,658.17 and 115,252.57

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Solution

The fourth proportional to 229,135.11, 343,658.17 and 115,252.57 is: 172,856.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,135.11 : 343,658.17 = 115,252.57 : x
  2. Step 2: Convert to fraction form
    229,135.11/343,658.17 = 115,252.57/x
  3. Step 3: Cross multiply
    229,135.11x = 343,658.17 × 115,252.57
  4. Step 4: Simplify right side
    229,135.11x = 39,607,487,294.00
  5. Step 5: Solve for x
    x = 39,607,487,294.00/229,135.11
  6. Step 6: Final answer
    x = 172,856.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.