Home / 159,860.39-220,591.58-88,235.75

Finding the Fourth Proportional to 159,860.39, 220,591.58 and 88,235.75

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Solution

The fourth proportional to 159,860.39, 220,591.58 and 88,235.75 is: 121,756.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,860.39 : 220,591.58 = 88,235.75 : x
  2. Step 2: Convert to fraction form
    159,860.39/220,591.58 = 88,235.75/x
  3. Step 3: Cross multiply
    159,860.39x = 220,591.58 × 88,235.75
  4. Step 4: Simplify right side
    159,860.39x = 19,464,063,615.29
  5. Step 5: Solve for x
    x = 19,464,063,615.29/159,860.39
  6. Step 6: Final answer
    x = 121,756.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.