Home / 132,126.20-198,219.57-57,258.91

Finding the Fourth Proportional to 132,126.20, 198,219.57 and 57,258.91

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Solution

The fourth proportional to 132,126.20, 198,219.57 and 57,258.91 is: 85,901.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,126.20 : 198,219.57 = 57,258.91 : x
  2. Step 2: Convert to fraction form
    132,126.20/198,219.57 = 57,258.91/x
  3. Step 3: Cross multiply
    132,126.20x = 198,219.57 × 57,258.91
  4. Step 4: Simplify right side
    132,126.20x = 11,349,836,518.87
  5. Step 5: Solve for x
    x = 11,349,836,518.87/132,126.20
  6. Step 6: Final answer
    x = 85,901.48

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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.