Home / 132,895.54-199,343.31-91,216.18

Finding the Fourth Proportional to 132,895.54, 199,343.31 and 91,216.18

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Solution

The fourth proportional to 132,895.54, 199,343.31 and 91,216.18 is: 136,824.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,895.54 : 199,343.31 = 91,216.18 : x
  2. Step 2: Convert to fraction form
    132,895.54/199,343.31 = 91,216.18/x
  3. Step 3: Cross multiply
    132,895.54x = 199,343.31 × 91,216.18
  4. Step 4: Simplify right side
    132,895.54x = 18,183,335,246.76
  5. Step 5: Solve for x
    x = 18,183,335,246.76/132,895.54
  6. Step 6: Final answer
    x = 136,824.27

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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.