Home / 199,712.27-275,604.80-113,667.03

Finding the Fourth Proportional to 199,712.27, 275,604.80 and 113,667.03

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Solution

The fourth proportional to 199,712.27, 275,604.80 and 113,667.03 is: 156,861.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,712.27 : 275,604.80 = 113,667.03 : x
  2. Step 2: Convert to fraction form
    199,712.27/275,604.80 = 113,667.03/x
  3. Step 3: Cross multiply
    199,712.27x = 275,604.80 × 113,667.03
  4. Step 4: Simplify right side
    199,712.27x = 31,327,178,501.41
  5. Step 5: Solve for x
    x = 31,327,178,501.41/199,712.27
  6. Step 6: Final answer
    x = 156,861.57

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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.