Home / 124,839.56-172,279.20-68,250.94

Finding the Fourth Proportional to 124,839.56, 172,279.20 and 68,250.94

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Solution

The fourth proportional to 124,839.56, 172,279.20 and 68,250.94 is: 94,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,839.56 : 172,279.20 = 68,250.94 : x
  2. Step 2: Convert to fraction form
    124,839.56/172,279.20 = 68,250.94/x
  3. Step 3: Cross multiply
    124,839.56x = 172,279.20 × 68,250.94
  4. Step 4: Simplify right side
    124,839.56x = 11,758,217,167.69
  5. Step 5: Solve for x
    x = 11,758,217,167.69/124,839.56
  6. Step 6: Final answer
    x = 94,186.63

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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.