Home / 195,260.50-292,916.94-68,871.03

Finding the Fourth Proportional to 195,260.50, 292,916.94 and 68,871.03

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Solution

The fourth proportional to 195,260.50, 292,916.94 and 68,871.03 is: 103,315.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,260.50 : 292,916.94 = 68,871.03 : x
  2. Step 2: Convert to fraction form
    195,260.50/292,916.94 = 68,871.03/x
  3. Step 3: Cross multiply
    195,260.50x = 292,916.94 × 68,871.03
  4. Step 4: Simplify right side
    195,260.50x = 20,173,491,362.25
  5. Step 5: Solve for x
    x = 20,173,491,362.25/195,260.50
  6. Step 6: Final answer
    x = 103,315.78

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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.