Home / 236,902.11-355,493.16-87,247.59

Finding the Fourth Proportional to 236,902.11, 355,493.16 and 87,247.59

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Solution

The fourth proportional to 236,902.11, 355,493.16 and 87,247.59 is: 130,922.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,902.11 : 355,493.16 = 87,247.59 : x
  2. Step 2: Convert to fraction form
    236,902.11/355,493.16 = 87,247.59/x
  3. Step 3: Cross multiply
    236,902.11x = 355,493.16 × 87,247.59
  4. Step 4: Simplify right side
    236,902.11x = 31,015,921,471.48
  5. Step 5: Solve for x
    x = 31,015,921,471.48/236,902.11
  6. Step 6: Final answer
    x = 130,922.94

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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.