Home / 204,233.40-281,529.72-143,638.92

Finding the Fourth Proportional to 204,233.40, 281,529.72 and 143,638.92

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Solution

The fourth proportional to 204,233.40, 281,529.72 and 143,638.92 is: 198,002.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,233.40 : 281,529.72 = 143,638.92 : x
  2. Step 2: Convert to fraction form
    204,233.40/281,529.72 = 143,638.92/x
  3. Step 3: Cross multiply
    204,233.40x = 281,529.72 × 143,638.92
  4. Step 4: Simplify right side
    204,233.40x = 40,438,624,928.70
  5. Step 5: Solve for x
    x = 40,438,624,928.70/204,233.40
  6. Step 6: Final answer
    x = 198,002.02

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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.