Home / 100,528.12-150,793.35-25,648.12

Finding the Fourth Proportional to 100,528.12, 150,793.35 and 25,648.12

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Solution

The fourth proportional to 100,528.12, 150,793.35 and 25,648.12 is: 38,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,528.12 : 150,793.35 = 25,648.12 : x
  2. Step 2: Convert to fraction form
    100,528.12/150,793.35 = 25,648.12/x
  3. Step 3: Cross multiply
    100,528.12x = 150,793.35 × 25,648.12
  4. Step 4: Simplify right side
    100,528.12x = 3,867,565,936.00
  5. Step 5: Solve for x
    x = 3,867,565,936.00/100,528.12
  6. Step 6: Final answer
    x = 38,472.48

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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.