Home / 195,059.13-292,673.21-68,789.61

Finding the Fourth Proportional to 195,059.13, 292,673.21 and 68,789.61

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Solution

The fourth proportional to 195,059.13, 292,673.21 and 68,789.61 is: 103,214.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,059.13 : 292,673.21 = 68,789.61 : x
  2. Step 2: Convert to fraction form
    195,059.13/292,673.21 = 68,789.61/x
  3. Step 3: Cross multiply
    195,059.13x = 292,673.21 × 68,789.61
  4. Step 4: Simplify right side
    195,059.13x = 20,132,875,629.40
  5. Step 5: Solve for x
    x = 20,132,875,629.40/195,059.13
  6. Step 6: Final answer
    x = 103,214.22

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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.