Home / 133,472.28-184,200.30-76,882.68

Finding the Fourth Proportional to 133,472.28, 184,200.30 and 76,882.68

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Solution

The fourth proportional to 133,472.28, 184,200.30 and 76,882.68 is: 106,103.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,472.28 : 184,200.30 = 76,882.68 : x
  2. Step 2: Convert to fraction form
    133,472.28/184,200.30 = 76,882.68/x
  3. Step 3: Cross multiply
    133,472.28x = 184,200.30 × 76,882.68
  4. Step 4: Simplify right side
    133,472.28x = 14,161,812,720.80
  5. Step 5: Solve for x
    x = 14,161,812,720.80/133,472.28
  6. Step 6: Final answer
    x = 106,103.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.