Home / 119,650.20-165,116.43-65,933.88

Finding the Fourth Proportional to 119,650.20, 165,116.43 and 65,933.88

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Solution

The fourth proportional to 119,650.20, 165,116.43 and 65,933.88 is: 90,988.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,650.20 : 165,116.43 = 65,933.88 : x
  2. Step 2: Convert to fraction form
    119,650.20/165,116.43 = 65,933.88/x
  3. Step 3: Cross multiply
    119,650.20x = 165,116.43 × 65,933.88
  4. Step 4: Simplify right side
    119,650.20x = 10,886,766,881.65
  5. Step 5: Solve for x
    x = 10,886,766,881.65/119,650.20
  6. Step 6: Final answer
    x = 90,988.29

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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.