Home / 219,573.96-329,343.93-69,822.78

Finding the Fourth Proportional to 219,573.96, 329,343.93 and 69,822.78

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Solution

The fourth proportional to 219,573.96, 329,343.93 and 69,822.78 is: 104,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,573.96 : 329,343.93 = 69,822.78 : x
  2. Step 2: Convert to fraction form
    219,573.96/329,343.93 = 69,822.78/x
  3. Step 3: Cross multiply
    219,573.96x = 329,343.93 × 69,822.78
  4. Step 4: Simplify right side
    219,573.96x = 22,995,708,768.73
  5. Step 5: Solve for x
    x = 22,995,708,768.73/219,573.96
  6. Step 6: Final answer
    x = 104,728.76

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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.