Home / 226,613.18-312,719.60-124,638.24

Finding the Fourth Proportional to 226,613.18, 312,719.60 and 124,638.24

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Solution

The fourth proportional to 226,613.18, 312,719.60 and 124,638.24 is: 171,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,613.18 : 312,719.60 = 124,638.24 : x
  2. Step 2: Convert to fraction form
    226,613.18/312,719.60 = 124,638.24/x
  3. Step 3: Cross multiply
    226,613.18x = 312,719.60 × 124,638.24
  4. Step 4: Simplify right side
    226,613.18x = 38,976,820,557.50
  5. Step 5: Solve for x
    x = 38,976,820,557.50/226,613.18
  6. Step 6: Final answer
    x = 171,997.15

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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.