Home / 220,722.56-331,082.10-146,176.32

Finding the Fourth Proportional to 220,722.56, 331,082.10 and 146,176.32

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Solution

The fourth proportional to 220,722.56, 331,082.10 and 146,176.32 is: 219,263.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,722.56 : 331,082.10 = 146,176.32 : x
  2. Step 2: Convert to fraction form
    220,722.56/331,082.10 = 146,176.32/x
  3. Step 3: Cross multiply
    220,722.56x = 331,082.10 × 146,176.32
  4. Step 4: Simplify right side
    220,722.56x = 48,396,362,995.87
  5. Step 5: Solve for x
    x = 48,396,362,995.87/220,722.56
  6. Step 6: Final answer
    x = 219,263.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.