Home / 198,734.46-297,726.16-117,438.98

Finding the Fourth Proportional to 198,734.46, 297,726.16 and 117,438.98

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Solution

The fourth proportional to 198,734.46, 297,726.16 and 117,438.98 is: 175,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,734.46 : 297,726.16 = 117,438.98 : x
  2. Step 2: Convert to fraction form
    198,734.46/297,726.16 = 117,438.98/x
  3. Step 3: Cross multiply
    198,734.46x = 297,726.16 × 117,438.98
  4. Step 4: Simplify right side
    198,734.46x = 34,964,656,549.72
  5. Step 5: Solve for x
    x = 34,964,656,549.72/198,734.46
  6. Step 6: Final answer
    x = 175,936.56

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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.