Home / 118,695.28-163,794.20-64,982.56

Finding the Fourth Proportional to 118,695.28, 163,794.20 and 64,982.56

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Solution

The fourth proportional to 118,695.28, 163,794.20 and 64,982.56 is: 89,673.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,695.28 : 163,794.20 = 64,982.56 : x
  2. Step 2: Convert to fraction form
    118,695.28/163,794.20 = 64,982.56/x
  3. Step 3: Cross multiply
    118,695.28x = 163,794.20 × 64,982.56
  4. Step 4: Simplify right side
    118,695.28x = 10,643,766,429.15
  5. Step 5: Solve for x
    x = 10,643,766,429.15/118,695.28
  6. Step 6: Final answer
    x = 89,673.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.