Home / 198,516.16-297,804.48-123,575.68

Finding the Fourth Proportional to 198,516.16, 297,804.48 and 123,575.68

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Solution

The fourth proportional to 198,516.16, 297,804.48 and 123,575.68 is: 185,382.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,516.16 : 297,804.48 = 123,575.68 : x
  2. Step 2: Convert to fraction form
    198,516.16/297,804.48 = 123,575.68/x
  3. Step 3: Cross multiply
    198,516.16x = 297,804.48 × 123,575.68
  4. Step 4: Simplify right side
    198,516.16x = 36,801,391,123.05
  5. Step 5: Solve for x
    x = 36,801,391,123.05/198,516.16
  6. Step 6: Final answer
    x = 185,382.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.