Home / 220,351.24-303,981-159,789.04

Finding the Fourth Proportional to 220,351.24, 303,981 and 159,789.04

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Solution

The fourth proportional to 220,351.24, 303,981 and 159,789.04 is: 220,433.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,351.24 : 303,981 = 159,789.04 : x
  2. Step 2: Convert to fraction form
    220,351.24/303,981 = 159,789.04/x
  3. Step 3: Cross multiply
    220,351.24x = 303,981 × 159,789.04
  4. Step 4: Simplify right side
    220,351.24x = 48,572,832,168.24
  5. Step 5: Solve for x
    x = 48,572,832,168.24/220,351.24
  6. Step 6: Final answer
    x = 220,433.67

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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.