Home / 198,743.98-298,109.08-56,590.15

Finding the Fourth Proportional to 198,743.98, 298,109.08 and 56,590.15

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Solution

The fourth proportional to 198,743.98, 298,109.08 and 56,590.15 is: 84,883.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,743.98 : 298,109.08 = 56,590.15 : x
  2. Step 2: Convert to fraction form
    198,743.98/298,109.08 = 56,590.15/x
  3. Step 3: Cross multiply
    198,743.98x = 298,109.08 × 56,590.15
  4. Step 4: Simplify right side
    198,743.98x = 16,870,037,553.56
  5. Step 5: Solve for x
    x = 16,870,037,553.56/198,743.98
  6. Step 6: Final answer
    x = 84,883.26

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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.