Home / 198,525.60-297,763.77-117,520.82

Finding the Fourth Proportional to 198,525.60, 297,763.77 and 117,520.82

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Solution

The fourth proportional to 198,525.60, 297,763.77 and 117,520.82 is: 176,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,525.60 : 297,763.77 = 117,520.82 : x
  2. Step 2: Convert to fraction form
    198,525.60/297,763.77 = 117,520.82/x
  3. Step 3: Cross multiply
    198,525.60x = 297,763.77 × 117,520.82
  4. Step 4: Simplify right side
    198,525.60x = 34,993,442,416.69
  5. Step 5: Solve for x
    x = 34,993,442,416.69/198,525.60
  6. Step 6: Final answer
    x = 176,266.65

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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.