Home / 80,186.61-110,654.76-44,378.13

Finding the Fourth Proportional to 80,186.61, 110,654.76 and 44,378.13

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Solution

The fourth proportional to 80,186.61, 110,654.76 and 44,378.13 is: 61,240.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,186.61 : 110,654.76 = 44,378.13 : x
  2. Step 2: Convert to fraction form
    80,186.61/110,654.76 = 44,378.13/x
  3. Step 3: Cross multiply
    80,186.61x = 110,654.76 × 44,378.13
  4. Step 4: Simplify right side
    80,186.61x = 4,910,651,324.40
  5. Step 5: Solve for x
    x = 4,910,651,324.40/80,186.61
  6. Step 6: Final answer
    x = 61,240.29

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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.