Home / 151,808.20-227,777.10-72,881.80

Finding the Fourth Proportional to 151,808.20, 227,777.10 and 72,881.80

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Solution

The fourth proportional to 151,808.20, 227,777.10 and 72,881.80 is: 109,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,808.20 : 227,777.10 = 72,881.80 : x
  2. Step 2: Convert to fraction form
    151,808.20/227,777.10 = 72,881.80/x
  3. Step 3: Cross multiply
    151,808.20x = 227,777.10 × 72,881.80
  4. Step 4: Simplify right side
    151,808.20x = 16,600,805,046.78
  5. Step 5: Solve for x
    x = 16,600,805,046.78/151,808.20
  6. Step 6: Final answer
    x = 109,353.81

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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.