Home / 198,591.15-274,054.67-112,566.39

Finding the Fourth Proportional to 198,591.15, 274,054.67 and 112,566.39

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Solution

The fourth proportional to 198,591.15, 274,054.67 and 112,566.39 is: 155,340.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,591.15 : 274,054.67 = 112,566.39 : x
  2. Step 2: Convert to fraction form
    198,591.15/274,054.67 = 112,566.39/x
  3. Step 3: Cross multiply
    198,591.15x = 274,054.67 × 112,566.39
  4. Step 4: Simplify right side
    198,591.15x = 30,849,344,723.83
  5. Step 5: Solve for x
    x = 30,849,344,723.83/198,591.15
  6. Step 6: Final answer
    x = 155,340.99

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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.