Home / 124,715.35-187,146.78-45,884.89

Finding the Fourth Proportional to 124,715.35, 187,146.78 and 45,884.89

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Solution

The fourth proportional to 124,715.35, 187,146.78 and 45,884.89 is: 68,854.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,715.35 : 187,146.78 = 45,884.89 : x
  2. Step 2: Convert to fraction form
    124,715.35/187,146.78 = 45,884.89/x
  3. Step 3: Cross multiply
    124,715.35x = 187,146.78 × 45,884.89
  4. Step 4: Simplify right side
    124,715.35x = 8,587,209,414.15
  5. Step 5: Solve for x
    x = 8,587,209,414.15/124,715.35
  6. Step 6: Final answer
    x = 68,854.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.