Home / 199,507.60-275,325.24-113,480.56

Finding the Fourth Proportional to 199,507.60, 275,325.24 and 113,480.56

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Solution

The fourth proportional to 199,507.60, 275,325.24 and 113,480.56 is: 156,605.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,507.60 : 275,325.24 = 113,480.56 : x
  2. Step 2: Convert to fraction form
    199,507.60/275,325.24 = 113,480.56/x
  3. Step 3: Cross multiply
    199,507.60x = 275,325.24 × 113,480.56
  4. Step 4: Simplify right side
    199,507.60x = 31,244,062,417.33
  5. Step 5: Solve for x
    x = 31,244,062,417.33/199,507.60
  6. Step 6: Final answer
    x = 156,605.88

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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.