Home / 199,712.39-275,604.98-113,667.16

Finding the Fourth Proportional to 199,712.39, 275,604.98 and 113,667.16

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Solution

The fourth proportional to 199,712.39, 275,604.98 and 113,667.16 is: 156,861.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,712.39 : 275,604.98 = 113,667.16 : x
  2. Step 2: Convert to fraction form
    199,712.39/275,604.98 = 113,667.16/x
  3. Step 3: Cross multiply
    199,712.39x = 275,604.98 × 113,667.16
  4. Step 4: Simplify right side
    199,712.39x = 31,327,233,412.10
  5. Step 5: Solve for x
    x = 31,327,233,412.10/199,712.39
  6. Step 6: Final answer
    x = 156,861.74

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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.