Home / 199,723.92-275,641.56-113,704.08

Finding the Fourth Proportional to 199,723.92, 275,641.56 and 113,704.08

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Solution

The fourth proportional to 199,723.92, 275,641.56 and 113,704.08 is: 156,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,723.92 : 275,641.56 = 113,704.08 : x
  2. Step 2: Convert to fraction form
    199,723.92/275,641.56 = 113,704.08/x
  3. Step 3: Cross multiply
    199,723.92x = 275,641.56 × 113,704.08
  4. Step 4: Simplify right side
    199,723.92x = 31,341,569,989.56
  5. Step 5: Solve for x
    x = 31,341,569,989.56/199,723.92
  6. Step 6: Final answer
    x = 156,924.47

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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.