Home / 219,166.20-328,652.10-100,873.80

Finding the Fourth Proportional to 219,166.20, 328,652.10 and 100,873.80

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Solution

The fourth proportional to 219,166.20, 328,652.10 and 100,873.80 is: 151,265.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,166.20 : 328,652.10 = 100,873.80 : x
  2. Step 2: Convert to fraction form
    219,166.20/328,652.10 = 100,873.80/x
  3. Step 3: Cross multiply
    219,166.20x = 328,652.10 × 100,873.80
  4. Step 4: Simplify right side
    219,166.20x = 33,152,386,204.98
  5. Step 5: Solve for x
    x = 33,152,386,204.98/219,166.20
  6. Step 6: Final answer
    x = 151,265.96

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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.