Home / 189,245.59-261,146.97-108,616.36

Finding the Fourth Proportional to 189,245.59, 261,146.97 and 108,616.36

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Solution

The fourth proportional to 189,245.59, 261,146.97 and 108,616.36 is: 149,883.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,245.59 : 261,146.97 = 108,616.36 : x
  2. Step 2: Convert to fraction form
    189,245.59/261,146.97 = 108,616.36/x
  3. Step 3: Cross multiply
    189,245.59x = 261,146.97 × 108,616.36
  4. Step 4: Simplify right side
    189,245.59x = 28,364,833,306.43
  5. Step 5: Solve for x
    x = 28,364,833,306.43/189,245.59
  6. Step 6: Final answer
    x = 149,883.72

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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.