Home / 199,605.68-275,502.15-131,634.92

Finding the Fourth Proportional to 199,605.68, 275,502.15 and 131,634.92

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Solution

The fourth proportional to 199,605.68, 275,502.15 and 131,634.92 is: 181,686.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,605.68 : 275,502.15 = 131,634.92 : x
  2. Step 2: Convert to fraction form
    199,605.68/275,502.15 = 131,634.92/x
  3. Step 3: Cross multiply
    199,605.68x = 275,502.15 × 131,634.92
  4. Step 4: Simplify right side
    199,605.68x = 36,265,703,475.08
  5. Step 5: Solve for x
    x = 36,265,703,475.08/199,605.68
  6. Step 6: Final answer
    x = 181,686.73

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1.5x scale

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.