Home / 107,836.80-161,755.20-96,561.60

Finding the Fourth Proportional to 107,836.80, 161,755.20 and 96,561.60

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Solution

The fourth proportional to 107,836.80, 161,755.20 and 96,561.60 is: 144,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,836.80 : 161,755.20 = 96,561.60 : x
  2. Step 2: Convert to fraction form
    107,836.80/161,755.20 = 96,561.60/x
  3. Step 3: Cross multiply
    107,836.80x = 161,755.20 × 96,561.60
  4. Step 4: Simplify right side
    107,836.80x = 15,619,340,920.32
  5. Step 5: Solve for x
    x = 15,619,340,920.32/107,836.80
  6. Step 6: Final answer
    x = 144,842.40

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1.5x scale

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.