Home / 195,071.13-269,198.16-105,647.13

Finding the Fourth Proportional to 195,071.13, 269,198.16 and 105,647.13

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Solution

The fourth proportional to 195,071.13, 269,198.16 and 105,647.13 is: 145,793.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,071.13 : 269,198.16 = 105,647.13 : x
  2. Step 2: Convert to fraction form
    195,071.13/269,198.16 = 105,647.13/x
  3. Step 3: Cross multiply
    195,071.13x = 269,198.16 × 105,647.13
  4. Step 4: Simplify right side
    195,071.13x = 28,440,013,005.28
  5. Step 5: Solve for x
    x = 28,440,013,005.28/195,071.13
  6. Step 6: Final answer
    x = 145,793.04

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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.