Home / 243,350.10-335,836.26-135,922.50

Finding the Fourth Proportional to 243,350.10, 335,836.26 and 135,922.50

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Solution

The fourth proportional to 243,350.10, 335,836.26 and 135,922.50 is: 187,580.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,350.10 : 335,836.26 = 135,922.50 : x
  2. Step 2: Convert to fraction form
    243,350.10/335,836.26 = 135,922.50/x
  3. Step 3: Cross multiply
    243,350.10x = 335,836.26 × 135,922.50
  4. Step 4: Simplify right side
    243,350.10x = 45,647,704,049.85
  5. Step 5: Solve for x
    x = 45,647,704,049.85/243,350.10
  6. Step 6: Final answer
    x = 187,580.38

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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.