Home / 144,017.82-198,744.30-80,351.82

Finding the Fourth Proportional to 144,017.82, 198,744.30 and 80,351.82

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Solution

The fourth proportional to 144,017.82, 198,744.30 and 80,351.82 is: 110,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,017.82 : 198,744.30 = 80,351.82 : x
  2. Step 2: Convert to fraction form
    144,017.82/198,744.30 = 80,351.82/x
  3. Step 3: Cross multiply
    144,017.82x = 198,744.30 × 80,351.82
  4. Step 4: Simplify right side
    144,017.82x = 15,969,466,219.63
  5. Step 5: Solve for x
    x = 15,969,466,219.63/144,017.82
  6. Step 6: Final answer
    x = 110,885.35

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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.