Home / 199,713.17-275,606.03-113,667.92

Finding the Fourth Proportional to 199,713.17, 275,606.03 and 113,667.92

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Solution

The fourth proportional to 199,713.17, 275,606.03 and 113,667.92 is: 156,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,713.17 : 275,606.03 = 113,667.92 : x
  2. Step 2: Convert to fraction form
    199,713.17/275,606.03 = 113,667.92/x
  3. Step 3: Cross multiply
    199,713.17x = 275,606.03 × 113,667.92
  4. Step 4: Simplify right side
    199,713.17x = 31,327,565,142.74
  5. Step 5: Solve for x
    x = 31,327,565,142.74/199,713.17
  6. Step 6: Final answer
    x = 156,862.79

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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.