Home / 102,616.40-141,611.20-60,175.60

Finding the Fourth Proportional to 102,616.40, 141,611.20 and 60,175.60

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Solution

The fourth proportional to 102,616.40, 141,611.20 and 60,175.60 is: 83,042.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,616.40 : 141,611.20 = 60,175.60 : x
  2. Step 2: Convert to fraction form
    102,616.40/141,611.20 = 60,175.60/x
  3. Step 3: Cross multiply
    102,616.40x = 141,611.20 × 60,175.60
  4. Step 4: Simplify right side
    102,616.40x = 8,521,538,926.72
  5. Step 5: Solve for x
    x = 8,521,538,926.72/102,616.40
  6. Step 6: Final answer
    x = 83,042.66

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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.