Home / 124,748.76-172,151.28-68,158.92

Finding the Fourth Proportional to 124,748.76, 172,151.28 and 68,158.92

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Solution

The fourth proportional to 124,748.76, 172,151.28 and 68,158.92 is: 94,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,748.76 : 172,151.28 = 68,158.92 : x
  2. Step 2: Convert to fraction form
    124,748.76/172,151.28 = 68,158.92/x
  3. Step 3: Cross multiply
    124,748.76x = 172,151.28 × 68,158.92
  4. Step 4: Simplify right side
    124,748.76x = 11,733,645,321.42
  5. Step 5: Solve for x
    x = 11,733,645,321.42/124,748.76
  6. Step 6: Final answer
    x = 94,058.21

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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.