Home / 195,072.13-269,199.54-105,648.13

Finding the Fourth Proportional to 195,072.13, 269,199.54 and 105,648.13

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Solution

The fourth proportional to 195,072.13, 269,199.54 and 105,648.13 is: 145,794.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,072.13 : 269,199.54 = 105,648.13 : x
  2. Step 2: Convert to fraction form
    195,072.13/269,199.54 = 105,648.13/x
  3. Step 3: Cross multiply
    195,072.13x = 269,199.54 × 105,648.13
  4. Step 4: Simplify right side
    195,072.13x = 28,440,427,997.86
  5. Step 5: Solve for x
    x = 28,440,427,997.86/195,072.13
  6. Step 6: Final answer
    x = 145,794.42

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1.5x scale

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.