Home / 226,513.17-312,590.19-123,147.57

Finding the Fourth Proportional to 226,513.17, 312,590.19 and 123,147.57

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Solution

The fourth proportional to 226,513.17, 312,590.19 and 123,147.57 is: 169,944.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,513.17 : 312,590.19 = 123,147.57 : x
  2. Step 2: Convert to fraction form
    226,513.17/312,590.19 = 123,147.57/x
  3. Step 3: Cross multiply
    226,513.17x = 312,590.19 × 123,147.57
  4. Step 4: Simplify right side
    226,513.17x = 38,494,722,304.34
  5. Step 5: Solve for x
    x = 38,494,722,304.34/226,513.17
  6. Step 6: Final answer
    x = 169,944.74

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1.5x scale

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.