Home / 150,311.89-207,330.60-96,664.78

Finding the Fourth Proportional to 150,311.89, 207,330.60 and 96,664.78

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Solution

The fourth proportional to 150,311.89, 207,330.60 and 96,664.78 is: 133,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,311.89 : 207,330.60 = 96,664.78 : x
  2. Step 2: Convert to fraction form
    150,311.89/207,330.60 = 96,664.78/x
  3. Step 3: Cross multiply
    150,311.89x = 207,330.60 × 96,664.78
  4. Step 4: Simplify right side
    150,311.89x = 20,041,566,836.27
  5. Step 5: Solve for x
    x = 20,041,566,836.27/150,311.89
  6. Step 6: Final answer
    x = 133,333.21

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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.