Home / 151,796.20-227,840.10-77,000.80

Finding the Fourth Proportional to 151,796.20, 227,840.10 and 77,000.80

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Solution

The fourth proportional to 151,796.20, 227,840.10 and 77,000.80 is: 115,575.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,796.20 : 227,840.10 = 77,000.80 : x
  2. Step 2: Convert to fraction form
    151,796.20/227,840.10 = 77,000.80/x
  3. Step 3: Cross multiply
    151,796.20x = 227,840.10 × 77,000.80
  4. Step 4: Simplify right side
    151,796.20x = 17,543,869,972.08
  5. Step 5: Solve for x
    x = 17,543,869,972.08/151,796.20
  6. Step 6: Final answer
    x = 115,575.16

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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.