Home / 226,708.12-312,824.19-136,044.82

Finding the Fourth Proportional to 226,708.12, 312,824.19 and 136,044.82

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Solution

The fourth proportional to 226,708.12, 312,824.19 and 136,044.82 is: 187,722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,708.12 : 312,824.19 = 136,044.82 : x
  2. Step 2: Convert to fraction form
    226,708.12/312,824.19 = 136,044.82/x
  3. Step 3: Cross multiply
    226,708.12x = 312,824.19 × 136,044.82
  4. Step 4: Simplify right side
    226,708.12x = 42,558,110,620.20
  5. Step 5: Solve for x
    x = 42,558,110,620.20/226,708.12
  6. Step 6: Final answer
    x = 187,722.04

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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.