Home / 143,598.28-198,160.98-79,933.96

Finding the Fourth Proportional to 143,598.28, 198,160.98 and 79,933.96

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Solution

The fourth proportional to 143,598.28, 198,160.98 and 79,933.96 is: 110,306.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,598.28 : 198,160.98 = 79,933.96 : x
  2. Step 2: Convert to fraction form
    143,598.28/198,160.98 = 79,933.96/x
  3. Step 3: Cross multiply
    143,598.28x = 198,160.98 × 79,933.96
  4. Step 4: Simplify right side
    143,598.28x = 15,839,791,848.88
  5. Step 5: Solve for x
    x = 15,839,791,848.88/143,598.28
  6. Step 6: Final answer
    x = 110,306.28

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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.