Home / 118,276.20-177,414.30-108,599.40

Finding the Fourth Proportional to 118,276.20, 177,414.30 and 108,599.40

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Solution

The fourth proportional to 118,276.20, 177,414.30 and 108,599.40 is: 162,899.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,276.20 : 177,414.30 = 108,599.40 : x
  2. Step 2: Convert to fraction form
    118,276.20/177,414.30 = 108,599.40/x
  3. Step 3: Cross multiply
    118,276.20x = 177,414.30 × 108,599.40
  4. Step 4: Simplify right side
    118,276.20x = 19,267,086,531.42
  5. Step 5: Solve for x
    x = 19,267,086,531.42/118,276.20
  6. Step 6: Final answer
    x = 162,899.10

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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.