Home / 199,724.94-275,620.73-113,681.07

Finding the Fourth Proportional to 199,724.94, 275,620.73 and 113,681.07

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Solution

The fourth proportional to 199,724.94, 275,620.73 and 113,681.07 is: 156,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,724.94 : 275,620.73 = 113,681.07 : x
  2. Step 2: Convert to fraction form
    199,724.94/275,620.73 = 113,681.07/x
  3. Step 3: Cross multiply
    199,724.94x = 275,620.73 × 113,681.07
  4. Step 4: Simplify right side
    199,724.94x = 31,332,858,932.18
  5. Step 5: Solve for x
    x = 31,332,858,932.18/199,724.94
  6. Step 6: Final answer
    x = 156,880.05

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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.