Home / 198,538.04-297,862.65-80,292.42

Finding the Fourth Proportional to 198,538.04, 297,862.65 and 80,292.42

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Solution

The fourth proportional to 198,538.04, 297,862.65 and 80,292.42 is: 120,461.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,538.04 : 297,862.65 = 80,292.42 : x
  2. Step 2: Convert to fraction form
    198,538.04/297,862.65 = 80,292.42/x
  3. Step 3: Cross multiply
    198,538.04x = 297,862.65 × 80,292.42
  4. Step 4: Simplify right side
    198,538.04x = 23,916,112,996.11
  5. Step 5: Solve for x
    x = 23,916,112,996.11/198,538.04
  6. Step 6: Final answer
    x = 120,461.11

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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.