Home / 195,363.18-269,601.21-105,939.18

Finding the Fourth Proportional to 195,363.18, 269,601.21 and 105,939.18

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Solution

The fourth proportional to 195,363.18, 269,601.21 and 105,939.18 is: 146,196.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,363.18 : 269,601.21 = 105,939.18 : x
  2. Step 2: Convert to fraction form
    195,363.18/269,601.21 = 105,939.18/x
  3. Step 3: Cross multiply
    195,363.18x = 269,601.21 × 105,939.18
  4. Step 4: Simplify right side
    195,363.18x = 28,561,331,114.41
  5. Step 5: Solve for x
    x = 28,561,331,114.41/195,363.18
  6. Step 6: Final answer
    x = 146,196.08

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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.