Home / 192,554.38-288,899.97-85,928.64

Finding the Fourth Proportional to 192,554.38, 288,899.97 and 85,928.64

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Solution

The fourth proportional to 192,554.38, 288,899.97 and 85,928.64 is: 128,923.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,554.38 : 288,899.97 = 85,928.64 : x
  2. Step 2: Convert to fraction form
    192,554.38/288,899.97 = 85,928.64/x
  3. Step 3: Cross multiply
    192,554.38x = 288,899.97 × 85,928.64
  4. Step 4: Simplify right side
    192,554.38x = 24,824,781,518.14
  5. Step 5: Solve for x
    x = 24,824,781,518.14/192,554.38
  6. Step 6: Final answer
    x = 128,923.48

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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.