Home / 159,324.21-219,870.18-91,352.25

Finding the Fourth Proportional to 159,324.21, 219,870.18 and 91,352.25

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Solution

The fourth proportional to 159,324.21, 219,870.18 and 91,352.25 is: 126,067.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,324.21 : 219,870.18 = 91,352.25 : x
  2. Step 2: Convert to fraction form
    159,324.21/219,870.18 = 91,352.25/x
  3. Step 3: Cross multiply
    159,324.21x = 219,870.18 × 91,352.25
  4. Step 4: Simplify right side
    159,324.21x = 20,085,635,650.91
  5. Step 5: Solve for x
    x = 20,085,635,650.91/159,324.21
  6. Step 6: Final answer
    x = 126,067.69

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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.