Home / 108,778.38-163,167.57-38,660.46

Finding the Fourth Proportional to 108,778.38, 163,167.57 and 38,660.46

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Solution

The fourth proportional to 108,778.38, 163,167.57 and 38,660.46 is: 57,990.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,778.38 : 163,167.57 = 38,660.46 : x
  2. Step 2: Convert to fraction form
    108,778.38/163,167.57 = 38,660.46/x
  3. Step 3: Cross multiply
    108,778.38x = 163,167.57 × 38,660.46
  4. Step 4: Simplify right side
    108,778.38x = 6,308,133,313.28
  5. Step 5: Solve for x
    x = 6,308,133,313.28/108,778.38
  6. Step 6: Final answer
    x = 57,990.69

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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.