Home / 195,555.20-269,866.17-106,131.20

Finding the Fourth Proportional to 195,555.20, 269,866.17 and 106,131.20

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Solution

The fourth proportional to 195,555.20, 269,866.17 and 106,131.20 is: 146,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,555.20 : 269,866.17 = 106,131.20 : x
  2. Step 2: Convert to fraction form
    195,555.20/269,866.17 = 106,131.20/x
  3. Step 3: Cross multiply
    195,555.20x = 269,866.17 × 106,131.20
  4. Step 4: Simplify right side
    195,555.20x = 28,641,219,112.17
  5. Step 5: Solve for x
    x = 28,641,219,112.17/195,555.20
  6. Step 6: Final answer
    x = 146,461.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.