Home / 198,162.57-273,463.98-107,518.52

Finding the Fourth Proportional to 198,162.57, 273,463.98 and 107,518.52

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Solution

The fourth proportional to 198,162.57, 273,463.98 and 107,518.52 is: 148,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,162.57 : 273,463.98 = 107,518.52 : x
  2. Step 2: Convert to fraction form
    198,162.57/273,463.98 = 107,518.52/x
  3. Step 3: Cross multiply
    198,162.57x = 273,463.98 × 107,518.52
  4. Step 4: Simplify right side
    198,162.57x = 29,402,440,676.35
  5. Step 5: Solve for x
    x = 29,402,440,676.35/198,162.57
  6. Step 6: Final answer
    x = 148,375.35

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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.