Home / 151,612.20-227,564.10-76,816.80

Finding the Fourth Proportional to 151,612.20, 227,564.10 and 76,816.80

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Solution

The fourth proportional to 151,612.20, 227,564.10 and 76,816.80 is: 115,299.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,612.20 : 227,564.10 = 76,816.80 : x
  2. Step 2: Convert to fraction form
    151,612.20/227,564.10 = 76,816.80/x
  3. Step 3: Cross multiply
    151,612.20x = 227,564.10 × 76,816.80
  4. Step 4: Simplify right side
    151,612.20x = 17,480,745,956.88
  5. Step 5: Solve for x
    x = 17,480,745,956.88/151,612.20
  6. Step 6: Final answer
    x = 115,299.07

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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.