Home / 143,777.08-198,355.80-96,061.60

Finding the Fourth Proportional to 143,777.08, 198,355.80 and 96,061.60

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Solution

The fourth proportional to 143,777.08, 198,355.80 and 96,061.60 is: 132,527.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,777.08 : 198,355.80 = 96,061.60 : x
  2. Step 2: Convert to fraction form
    143,777.08/198,355.80 = 96,061.60/x
  3. Step 3: Cross multiply
    143,777.08x = 198,355.80 × 96,061.60
  4. Step 4: Simplify right side
    143,777.08x = 19,054,375,517.28
  5. Step 5: Solve for x
    x = 19,054,375,517.28/143,777.08
  6. Step 6: Final answer
    x = 132,527.21

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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.