Home / 170,793.18-256,346.02-86,611.44

Finding the Fourth Proportional to 170,793.18, 256,346.02 and 86,611.44

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Solution

The fourth proportional to 170,793.18, 256,346.02 and 86,611.44 is: 129,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,793.18 : 256,346.02 = 86,611.44 : x
  2. Step 2: Convert to fraction form
    170,793.18/256,346.02 = 86,611.44/x
  3. Step 3: Cross multiply
    170,793.18x = 256,346.02 × 86,611.44
  4. Step 4: Simplify right side
    170,793.18x = 22,202,497,930.47
  5. Step 5: Solve for x
    x = 22,202,497,930.47/170,793.18
  6. Step 6: Final answer
    x = 129,996.40

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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.