Home / 143,607.06-198,184.66-79,944.84

Finding the Fourth Proportional to 143,607.06, 198,184.66 and 79,944.84

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Solution

The fourth proportional to 143,607.06, 198,184.66 and 79,944.84 is: 110,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,607.06 : 198,184.66 = 79,944.84 : x
  2. Step 2: Convert to fraction form
    143,607.06/198,184.66 = 79,944.84/x
  3. Step 3: Cross multiply
    143,607.06x = 198,184.66 × 79,944.84
  4. Step 4: Simplify right side
    143,607.06x = 15,843,840,734.29
  5. Step 5: Solve for x
    x = 15,843,840,734.29/143,607.06
  6. Step 6: Final answer
    x = 110,327.73

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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.