Home / 198,620.44-274,095.06-112,595.65

Finding the Fourth Proportional to 198,620.44, 274,095.06 and 112,595.65

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Solution

The fourth proportional to 198,620.44, 274,095.06 and 112,595.65 is: 155,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,620.44 : 274,095.06 = 112,595.65 : x
  2. Step 2: Convert to fraction form
    198,620.44/274,095.06 = 112,595.65/x
  3. Step 3: Cross multiply
    198,620.44x = 274,095.06 × 112,595.65
  4. Step 4: Simplify right side
    198,620.44x = 30,861,911,442.49
  5. Step 5: Solve for x
    x = 30,861,911,442.49/198,620.44
  6. Step 6: Final answer
    x = 155,381.35

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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.