Home / 132,173.28-198,340.56-57,278.88

Finding the Fourth Proportional to 132,173.28, 198,340.56 and 57,278.88

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Solution

The fourth proportional to 132,173.28, 198,340.56 and 57,278.88 is: 85,953.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,173.28 : 198,340.56 = 57,278.88 : x
  2. Step 2: Convert to fraction form
    132,173.28/198,340.56 = 57,278.88/x
  3. Step 3: Cross multiply
    132,173.28x = 198,340.56 × 57,278.88
  4. Step 4: Simplify right side
    132,173.28x = 11,360,725,135.37
  5. Step 5: Solve for x
    x = 11,360,725,135.37/132,173.28
  6. Step 6: Final answer
    x = 85,953.27

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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.