Home / 198,370.01-297,552.89-80,039.34

Finding the Fourth Proportional to 198,370.01, 297,552.89 and 80,039.34

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Solution

The fourth proportional to 198,370.01, 297,552.89 and 80,039.34 is: 120,058.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,370.01 : 297,552.89 = 80,039.34 : x
  2. Step 2: Convert to fraction form
    198,370.01/297,552.89 = 80,039.34/x
  3. Step 3: Cross multiply
    198,370.01x = 297,552.89 × 80,039.34
  4. Step 4: Simplify right side
    198,370.01x = 23,815,937,130.79
  5. Step 5: Solve for x
    x = 23,815,937,130.79/198,370.01
  6. Step 6: Final answer
    x = 120,058.15

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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.