Home / 192,022.80-287,645.40-132,925.20

Finding the Fourth Proportional to 192,022.80, 287,645.40 and 132,925.20

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Solution

The fourth proportional to 192,022.80, 287,645.40 and 132,925.20 is: 199,118.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,022.80 : 287,645.40 = 132,925.20 : x
  2. Step 2: Convert to fraction form
    192,022.80/287,645.40 = 132,925.20/x
  3. Step 3: Cross multiply
    192,022.80x = 287,645.40 × 132,925.20
  4. Step 4: Simplify right side
    192,022.80x = 38,235,322,324.08
  5. Step 5: Solve for x
    x = 38,235,322,324.08/192,022.80
  6. Step 6: Final answer
    x = 199,118.66

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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.