Home / 198,054.45-297,114.48-98,217.90

Finding the Fourth Proportional to 198,054.45, 297,114.48 and 98,217.90

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Solution

The fourth proportional to 198,054.45, 297,114.48 and 98,217.90 is: 147,343.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,054.45 : 297,114.48 = 98,217.90 : x
  2. Step 2: Convert to fraction form
    198,054.45/297,114.48 = 98,217.90/x
  3. Step 3: Cross multiply
    198,054.45x = 297,114.48 × 98,217.90
  4. Step 4: Simplify right side
    198,054.45x = 29,181,960,285.19
  5. Step 5: Solve for x
    x = 29,181,960,285.19/198,054.45
  6. Step 6: Final answer
    x = 147,343.12

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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.