Home / 130,679.28-195,886.56-88,563.66

Finding the Fourth Proportional to 130,679.28, 195,886.56 and 88,563.66

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Solution

The fourth proportional to 130,679.28, 195,886.56 and 88,563.66 is: 132,755.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,679.28 : 195,886.56 = 88,563.66 : x
  2. Step 2: Convert to fraction form
    130,679.28/195,886.56 = 88,563.66/x
  3. Step 3: Cross multiply
    130,679.28x = 195,886.56 × 88,563.66
  4. Step 4: Simplify right side
    130,679.28x = 17,348,430,698.41
  5. Step 5: Solve for x
    x = 17,348,430,698.41/130,679.28
  6. Step 6: Final answer
    x = 132,755.79

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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.