Home / 658,350.20-987,525.30-159,714.20

Finding the Fourth Proportional to 658,350.20, 987,525.30 and 159,714.20

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Solution

The fourth proportional to 658,350.20, 987,525.30 and 159,714.20 is: 239,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,350.20 : 987,525.30 = 159,714.20 : x
  2. Step 2: Convert to fraction form
    658,350.20/987,525.30 = 159,714.20/x
  3. Step 3: Cross multiply
    658,350.20x = 987,525.30 × 159,714.20
  4. Step 4: Simplify right side
    658,350.20x = 157,721,813,269.26
  5. Step 5: Solve for x
    x = 157,721,813,269.26/658,350.20
  6. Step 6: Final answer
    x = 239,571.30

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Double scale
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Similar ratio
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1.5x scale

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.