Home / 124,818.47-172,249.49-68,229.84

Finding the Fourth Proportional to 124,818.47, 172,249.49 and 68,229.84

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Solution

The fourth proportional to 124,818.47, 172,249.49 and 68,229.84 is: 94,157.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,818.47 : 172,249.49 = 68,229.84 : x
  2. Step 2: Convert to fraction form
    124,818.47/172,249.49 = 68,229.84/x
  3. Step 3: Cross multiply
    124,818.47x = 172,249.49 × 68,229.84
  4. Step 4: Simplify right side
    124,818.47x = 11,752,555,575.50
  5. Step 5: Solve for x
    x = 11,752,555,575.50/124,818.47
  6. Step 6: Final answer
    x = 94,157.18

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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.