Home / 219,257.70-328,230.45-195,638.10

Finding the Fourth Proportional to 219,257.70, 328,230.45 and 195,638.10

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Solution

The fourth proportional to 219,257.70, 328,230.45 and 195,638.10 is: 292,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,257.70 : 328,230.45 = 195,638.10 : x
  2. Step 2: Convert to fraction form
    219,257.70/328,230.45 = 195,638.10/x
  3. Step 3: Cross multiply
    219,257.70x = 328,230.45 × 195,638.10
  4. Step 4: Simplify right side
    219,257.70x = 64,214,381,600.15
  5. Step 5: Solve for x
    x = 64,214,381,600.15/219,257.70
  6. Step 6: Final answer
    x = 292,871.73

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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.