Home / 311,105.90-466,660.31-108,701.16

Finding the Fourth Proportional to 311,105.90, 466,660.31 and 108,701.16

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Solution

The fourth proportional to 311,105.90, 466,660.31 and 108,701.16 is: 163,052.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,105.90 : 466,660.31 = 108,701.16 : x
  2. Step 2: Convert to fraction form
    311,105.90/466,660.31 = 108,701.16/x
  3. Step 3: Cross multiply
    311,105.90x = 466,660.31 × 108,701.16
  4. Step 4: Simplify right side
    311,105.90x = 50,726,516,479.45
  5. Step 5: Solve for x
    x = 50,726,516,479.45/311,105.90
  6. Step 6: Final answer
    x = 163,052.25

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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.