Home / 130,570.47-195,593.27-68,109.75

Finding the Fourth Proportional to 130,570.47, 195,593.27 and 68,109.75

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Solution

The fourth proportional to 130,570.47, 195,593.27 and 68,109.75 is: 102,027.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,570.47 : 195,593.27 = 68,109.75 : x
  2. Step 2: Convert to fraction form
    130,570.47/195,593.27 = 68,109.75/x
  3. Step 3: Cross multiply
    130,570.47x = 195,593.27 × 68,109.75
  4. Step 4: Simplify right side
    130,570.47x = 13,321,808,380.83
  5. Step 5: Solve for x
    x = 13,321,808,380.83/130,570.47
  6. Step 6: Final answer
    x = 102,027.73

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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.