Home / 108,229.30-162,343.95-65,543.33

Finding the Fourth Proportional to 108,229.30, 162,343.95 and 65,543.33

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Solution

The fourth proportional to 108,229.30, 162,343.95 and 65,543.33 is: 98,314.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,229.30 : 162,343.95 = 65,543.33 : x
  2. Step 2: Convert to fraction form
    108,229.30/162,343.95 = 65,543.33/x
  3. Step 3: Cross multiply
    108,229.30x = 162,343.95 × 65,543.33
  4. Step 4: Simplify right side
    108,229.30x = 10,640,561,948.92
  5. Step 5: Solve for x
    x = 10,640,561,948.92/108,229.30
  6. Step 6: Final answer
    x = 98,314.99

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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.