Home / 159,596.12-220,262.59-91,634.39

Finding the Fourth Proportional to 159,596.12, 220,262.59 and 91,634.39

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Solution

The fourth proportional to 159,596.12, 220,262.59 and 91,634.39 is: 126,466.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,596.12 : 220,262.59 = 91,634.39 : x
  2. Step 2: Convert to fraction form
    159,596.12/220,262.59 = 91,634.39/x
  3. Step 3: Cross multiply
    159,596.12x = 220,262.59 × 91,634.39
  4. Step 4: Simplify right side
    159,596.12x = 20,183,627,913.68
  5. Step 5: Solve for x
    x = 20,183,627,913.68/159,596.12
  6. Step 6: Final answer
    x = 126,466.91

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1.5x scale

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.