Home / 150,204.92-207,189.45-92,861.78

Finding the Fourth Proportional to 150,204.92, 207,189.45 and 92,861.78

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Solution

The fourth proportional to 150,204.92, 207,189.45 and 92,861.78 is: 128,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,204.92 : 207,189.45 = 92,861.78 : x
  2. Step 2: Convert to fraction form
    150,204.92/207,189.45 = 92,861.78/x
  3. Step 3: Cross multiply
    150,204.92x = 207,189.45 × 92,861.78
  4. Step 4: Simplify right side
    150,204.92x = 19,239,980,088.27
  5. Step 5: Solve for x
    x = 19,239,980,088.27/150,204.92
  6. Step 6: Final answer
    x = 128,091.55

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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.