Home / 198,562.06-297,864.87-86,165.02

Finding the Fourth Proportional to 198,562.06, 297,864.87 and 86,165.02

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Solution

The fourth proportional to 198,562.06, 297,864.87 and 86,165.02 is: 129,256.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,562.06 : 297,864.87 = 86,165.02 : x
  2. Step 2: Convert to fraction form
    198,562.06/297,864.87 = 86,165.02/x
  3. Step 3: Cross multiply
    198,562.06x = 297,864.87 × 86,165.02
  4. Step 4: Simplify right side
    198,562.06x = 25,665,532,480.85
  5. Step 5: Solve for x
    x = 25,665,532,480.85/198,562.06
  6. Step 6: Final answer
    x = 129,256.98

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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.