Home / 134,175.20-185,146.90-80,462.48

Finding the Fourth Proportional to 134,175.20, 185,146.90 and 80,462.48

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Solution

The fourth proportional to 134,175.20, 185,146.90 and 80,462.48 is: 111,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,175.20 : 185,146.90 = 80,462.48 : x
  2. Step 2: Convert to fraction form
    134,175.20/185,146.90 = 80,462.48/x
  3. Step 3: Cross multiply
    134,175.20x = 185,146.90 × 80,462.48
  4. Step 4: Simplify right side
    134,175.20x = 14,897,377,611.42
  5. Step 5: Solve for x
    x = 14,897,377,611.42/134,175.20
  6. Step 6: Final answer
    x = 111,029.30

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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.