Home / 124,202.19-171,399-67,613.55

Finding the Fourth Proportional to 124,202.19, 171,399 and 67,613.55

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Solution

The fourth proportional to 124,202.19, 171,399 and 67,613.55 is: 93,306.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,202.19 : 171,399 = 67,613.55 : x
  2. Step 2: Convert to fraction form
    124,202.19/171,399 = 67,613.55/x
  3. Step 3: Cross multiply
    124,202.19x = 171,399 × 67,613.55
  4. Step 4: Simplify right side
    124,202.19x = 11,588,894,856.45
  5. Step 5: Solve for x
    x = 11,588,894,856.45/124,202.19
  6. Step 6: Final answer
    x = 93,306.69

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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.