Home / 132,028.32-198,110.56-87,685.76

Finding the Fourth Proportional to 132,028.32, 198,110.56 and 87,685.76

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Solution

The fourth proportional to 132,028.32, 198,110.56 and 87,685.76 is: 131,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,028.32 : 198,110.56 = 87,685.76 : x
  2. Step 2: Convert to fraction form
    132,028.32/198,110.56 = 87,685.76/x
  3. Step 3: Cross multiply
    132,028.32x = 198,110.56 × 87,685.76
  4. Step 4: Simplify right side
    132,028.32x = 17,371,475,017.63
  5. Step 5: Solve for x
    x = 17,371,475,017.63/132,028.32
  6. Step 6: Final answer
    x = 131,573.85

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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.