Home / 199,605.18-275,501.46-131,634.42

Finding the Fourth Proportional to 199,605.18, 275,501.46 and 131,634.42

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Solution

The fourth proportional to 199,605.18, 275,501.46 and 131,634.42 is: 181,686.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,605.18 : 275,501.46 = 131,634.42 : x
  2. Step 2: Convert to fraction form
    199,605.18/275,501.46 = 131,634.42/x
  3. Step 3: Cross multiply
    199,605.18x = 275,501.46 × 131,634.42
  4. Step 4: Simplify right side
    199,605.18x = 36,265,474,896.25
  5. Step 5: Solve for x
    x = 36,265,474,896.25/199,605.18
  6. Step 6: Final answer
    x = 181,686.04

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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.