Home / 199,713.67-275,606.73-113,668.43

Finding the Fourth Proportional to 199,713.67, 275,606.73 and 113,668.43

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Solution

The fourth proportional to 199,713.67, 275,606.73 and 113,668.43 is: 156,863.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,713.67 : 275,606.73 = 113,668.43 : x
  2. Step 2: Convert to fraction form
    199,713.67/275,606.73 = 113,668.43/x
  3. Step 3: Cross multiply
    199,713.67x = 275,606.73 × 113,668.43
  4. Step 4: Simplify right side
    199,713.67x = 31,327,782,350.16
  5. Step 5: Solve for x
    x = 31,327,782,350.16/199,713.67
  6. Step 6: Final answer
    x = 156,863.49

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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.