Home / 199,534.12-275,362.89-108,895.91

Finding the Fourth Proportional to 199,534.12, 275,362.89 and 108,895.91

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Solution

The fourth proportional to 199,534.12, 275,362.89 and 108,895.91 is: 150,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,534.12 : 275,362.89 = 108,895.91 : x
  2. Step 2: Convert to fraction form
    199,534.12/275,362.89 = 108,895.91/x
  3. Step 3: Cross multiply
    199,534.12x = 275,362.89 × 108,895.91
  4. Step 4: Simplify right side
    199,534.12x = 29,985,891,942.30
  5. Step 5: Solve for x
    x = 29,985,891,942.30/199,534.12
  6. Step 6: Final answer
    x = 150,279.52

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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.