Home / 108,555.50-162,836.45-92,660.31

Finding the Fourth Proportional to 108,555.50, 162,836.45 and 92,660.31

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Solution

The fourth proportional to 108,555.50, 162,836.45 and 92,660.31 is: 138,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,555.50 : 162,836.45 = 92,660.31 : x
  2. Step 2: Convert to fraction form
    108,555.50/162,836.45 = 92,660.31/x
  3. Step 3: Cross multiply
    108,555.50x = 162,836.45 × 92,660.31
  4. Step 4: Simplify right side
    108,555.50x = 15,088,475,936.30
  5. Step 5: Solve for x
    x = 15,088,475,936.30/108,555.50
  6. Step 6: Final answer
    x = 138,993.20

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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.