Home / 132,391.68-198,687.36-70,076.16

Finding the Fourth Proportional to 132,391.68, 198,687.36 and 70,076.16

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Solution

The fourth proportional to 132,391.68, 198,687.36 and 70,076.16 is: 105,167.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,391.68 : 198,687.36 = 70,076.16 : x
  2. Step 2: Convert to fraction form
    132,391.68/198,687.36 = 70,076.16/x
  3. Step 3: Cross multiply
    132,391.68x = 198,687.36 × 70,076.16
  4. Step 4: Simplify right side
    132,391.68x = 13,923,247,229.34
  5. Step 5: Solve for x
    x = 13,923,247,229.34/132,391.68
  6. Step 6: Final answer
    x = 105,167.09

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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.