Home / 199,724.92-275,642.94-113,705.08

Finding the Fourth Proportional to 199,724.92, 275,642.94 and 113,705.08

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Solution

The fourth proportional to 199,724.92, 275,642.94 and 113,705.08 is: 156,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,724.92 : 275,642.94 = 113,705.08 : x
  2. Step 2: Convert to fraction form
    199,724.92/275,642.94 = 113,705.08/x
  3. Step 3: Cross multiply
    199,724.92x = 275,642.94 × 113,705.08
  4. Step 4: Simplify right side
    199,724.92x = 31,342,002,544.14
  5. Step 5: Solve for x
    x = 31,342,002,544.14/199,724.92
  6. Step 6: Final answer
    x = 156,925.85

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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.