Home / 198,130.24-297,661.92-161,427.52

Finding the Fourth Proportional to 198,130.24, 297,661.92 and 161,427.52

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Solution

The fourth proportional to 198,130.24, 297,661.92 and 161,427.52 is: 242,521.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,130.24 : 297,661.92 = 161,427.52 : x
  2. Step 2: Convert to fraction form
    198,130.24/297,661.92 = 161,427.52/x
  3. Step 3: Cross multiply
    198,130.24x = 297,661.92 × 161,427.52
  4. Step 4: Simplify right side
    198,130.24x = 48,050,825,544.04
  5. Step 5: Solve for x
    x = 48,050,825,544.04/198,130.24
  6. Step 6: Final answer
    x = 242,521.41

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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.