Home / 130,679.76-195,966.86-50,675.60

Finding the Fourth Proportional to 130,679.76, 195,966.86 and 50,675.60

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Solution

The fourth proportional to 130,679.76, 195,966.86 and 50,675.60 is: 75,992.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,679.76 : 195,966.86 = 50,675.60 : x
  2. Step 2: Convert to fraction form
    130,679.76/195,966.86 = 50,675.60/x
  3. Step 3: Cross multiply
    130,679.76x = 195,966.86 × 50,675.60
  4. Step 4: Simplify right side
    130,679.76x = 9,930,736,977.40
  5. Step 5: Solve for x
    x = 9,930,736,977.40/130,679.76
  6. Step 6: Final answer
    x = 75,992.92

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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.