Home / 199,711.89-275,604.29-113,666.66

Finding the Fourth Proportional to 199,711.89, 275,604.29 and 113,666.66

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Solution

The fourth proportional to 199,711.89, 275,604.29 and 113,666.66 is: 156,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,711.89 : 275,604.29 = 113,666.66 : x
  2. Step 2: Convert to fraction form
    199,711.89/275,604.29 = 113,666.66/x
  3. Step 3: Cross multiply
    199,711.89x = 275,604.29 × 113,666.66
  4. Step 4: Simplify right side
    199,711.89x = 31,327,017,179.62
  5. Step 5: Solve for x
    x = 31,327,017,179.62/199,711.89
  6. Step 6: Final answer
    x = 156,861.05

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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.