Home / 143,421.66-198,010.44-92,452.50

Finding the Fourth Proportional to 143,421.66, 198,010.44 and 92,452.50

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Solution

The fourth proportional to 143,421.66, 198,010.44 and 92,452.50 is: 127,641.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,421.66 : 198,010.44 = 92,452.50 : x
  2. Step 2: Convert to fraction form
    143,421.66/198,010.44 = 92,452.50/x
  3. Step 3: Cross multiply
    143,421.66x = 198,010.44 × 92,452.50
  4. Step 4: Simplify right side
    143,421.66x = 18,306,560,204.10
  5. Step 5: Solve for x
    x = 18,306,560,204.10/143,421.66
  6. Step 6: Final answer
    x = 127,641.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.