Home / 219,610.02-328,787.44-205,659.78

Finding the Fourth Proportional to 219,610.02, 328,787.44 and 205,659.78

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Solution

The fourth proportional to 219,610.02, 328,787.44 and 205,659.78 is: 307,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,610.02 : 328,787.44 = 205,659.78 : x
  2. Step 2: Convert to fraction form
    219,610.02/328,787.44 = 205,659.78/x
  3. Step 3: Cross multiply
    219,610.02x = 328,787.44 × 205,659.78
  4. Step 4: Simplify right side
    219,610.02x = 67,618,352,577.16
  5. Step 5: Solve for x
    x = 67,618,352,577.16/219,610.02
  6. Step 6: Final answer
    x = 307,901.95

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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.