Home / 199,542.40-275,359.92-108,896.08

Finding the Fourth Proportional to 199,542.40, 275,359.92 and 108,896.08

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Solution

The fourth proportional to 199,542.40, 275,359.92 and 108,896.08 is: 150,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,542.40 : 275,359.92 = 108,896.08 : x
  2. Step 2: Convert to fraction form
    199,542.40/275,359.92 = 108,896.08/x
  3. Step 3: Cross multiply
    199,542.40x = 275,359.92 × 108,896.08
  4. Step 4: Simplify right side
    199,542.40x = 29,985,615,877.11
  5. Step 5: Solve for x
    x = 29,985,615,877.11/199,542.40
  6. Step 6: Final answer
    x = 150,271.90

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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.