Home / 108,043.20-162,160.80-63,614.40

Finding the Fourth Proportional to 108,043.20, 162,160.80 and 63,614.40

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Solution

The fourth proportional to 108,043.20, 162,160.80 and 63,614.40 is: 95,478.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,043.20 : 162,160.80 = 63,614.40 : x
  2. Step 2: Convert to fraction form
    108,043.20/162,160.80 = 63,614.40/x
  3. Step 3: Cross multiply
    108,043.20x = 162,160.80 × 63,614.40
  4. Step 4: Simplify right side
    108,043.20x = 10,315,761,995.52
  5. Step 5: Solve for x
    x = 10,315,761,995.52/108,043.20
  6. Step 6: Final answer
    x = 95,478.12

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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.