Home / 132,015.08-198,067.98-38,534.60

Finding the Fourth Proportional to 132,015.08, 198,067.98 and 38,534.60

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Solution

The fourth proportional to 132,015.08, 198,067.98 and 38,534.60 is: 57,815.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,015.08 : 198,067.98 = 38,534.60 : x
  2. Step 2: Convert to fraction form
    132,015.08/198,067.98 = 38,534.60/x
  3. Step 3: Cross multiply
    132,015.08x = 198,067.98 × 38,534.60
  4. Step 4: Simplify right side
    132,015.08x = 7,632,470,382.11
  5. Step 5: Solve for x
    x = 7,632,470,382.11/132,015.08
  6. Step 6: Final answer
    x = 57,815.14

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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.