Home / 170,854.20-256,281.30-158,412.60

Finding the Fourth Proportional to 170,854.20, 256,281.30 and 158,412.60

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Solution

The fourth proportional to 170,854.20, 256,281.30 and 158,412.60 is: 237,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,854.20 : 256,281.30 = 158,412.60 : x
  2. Step 2: Convert to fraction form
    170,854.20/256,281.30 = 158,412.60/x
  3. Step 3: Cross multiply
    170,854.20x = 256,281.30 × 158,412.60
  4. Step 4: Simplify right side
    170,854.20x = 40,598,187,064.38
  5. Step 5: Solve for x
    x = 40,598,187,064.38/170,854.20
  6. Step 6: Final answer
    x = 237,618.90

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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.