Home / 199,713.54-275,606.55-113,668.31

Finding the Fourth Proportional to 199,713.54, 275,606.55 and 113,668.31

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Solution

The fourth proportional to 199,713.54, 275,606.55 and 113,668.31 is: 156,863.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,713.54 : 275,606.55 = 113,668.31 : x
  2. Step 2: Convert to fraction form
    199,713.54/275,606.55 = 113,668.31/x
  3. Step 3: Cross multiply
    199,713.54x = 275,606.55 × 113,668.31
  4. Step 4: Simplify right side
    199,713.54x = 31,327,729,385.40
  5. Step 5: Solve for x
    x = 31,327,729,385.40/199,713.54
  6. Step 6: Final answer
    x = 156,863.32

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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.