Home / 130,111.68-195,233.04-51,282.48

Finding the Fourth Proportional to 130,111.68, 195,233.04 and 51,282.48

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Solution

The fourth proportional to 130,111.68, 195,233.04 and 51,282.48 is: 76,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,111.68 : 195,233.04 = 51,282.48 : x
  2. Step 2: Convert to fraction form
    130,111.68/195,233.04 = 51,282.48/x
  3. Step 3: Cross multiply
    130,111.68x = 195,233.04 × 51,282.48
  4. Step 4: Simplify right side
    130,111.68x = 10,012,034,469.14
  5. Step 5: Solve for x
    x = 10,012,034,469.14/130,111.68
  6. Step 6: Final answer
    x = 76,949.54

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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.