Home / 198,710.31-298,068.88-56,559.24

Finding the Fourth Proportional to 198,710.31, 298,068.88 and 56,559.24

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Solution

The fourth proportional to 198,710.31, 298,068.88 and 56,559.24 is: 84,839.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,710.31 : 298,068.88 = 56,559.24 : x
  2. Step 2: Convert to fraction form
    198,710.31/298,068.88 = 56,559.24/x
  3. Step 3: Cross multiply
    198,710.31x = 298,068.88 × 56,559.24
  4. Step 4: Simplify right side
    198,710.31x = 16,858,548,387.13
  5. Step 5: Solve for x
    x = 16,858,548,387.13/198,710.31
  6. Step 6: Final answer
    x = 84,839.83

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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.