Home / 226,143.11-312,083.43-124,175.15

Finding the Fourth Proportional to 226,143.11, 312,083.43 and 124,175.15

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Solution

The fourth proportional to 226,143.11, 312,083.43 and 124,175.15 is: 171,364.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,143.11 : 312,083.43 = 124,175.15 : x
  2. Step 2: Convert to fraction form
    226,143.11/312,083.43 = 124,175.15/x
  3. Step 3: Cross multiply
    226,143.11x = 312,083.43 × 124,175.15
  4. Step 4: Simplify right side
    226,143.11x = 38,753,005,172.35
  5. Step 5: Solve for x
    x = 38,753,005,172.35/226,143.11
  6. Step 6: Final answer
    x = 171,364.96

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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.