Home / 143,610.84-198,189.50-79,952.68

Finding the Fourth Proportional to 143,610.84, 198,189.50 and 79,952.68

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Solution

The fourth proportional to 143,610.84, 198,189.50 and 79,952.68 is: 110,338.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,610.84 : 198,189.50 = 79,952.68 : x
  2. Step 2: Convert to fraction form
    143,610.84/198,189.50 = 79,952.68/x
  3. Step 3: Cross multiply
    143,610.84x = 198,189.50 × 79,952.68
  4. Step 4: Simplify right side
    143,610.84x = 15,845,781,672.86
  5. Step 5: Solve for x
    x = 15,845,781,672.86/143,610.84
  6. Step 6: Final answer
    x = 110,338.34

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1.5x scale

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.