Home / 236,162.78-354,156.01-76,198.55

Finding the Fourth Proportional to 236,162.78, 354,156.01 and 76,198.55

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Solution

The fourth proportional to 236,162.78, 354,156.01 and 76,198.55 is: 114,269.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,162.78 : 354,156.01 = 76,198.55 : x
  2. Step 2: Convert to fraction form
    236,162.78/354,156.01 = 76,198.55/x
  3. Step 3: Cross multiply
    236,162.78x = 354,156.01 × 76,198.55
  4. Step 4: Simplify right side
    236,162.78x = 26,986,172,903.13
  5. Step 5: Solve for x
    x = 26,986,172,903.13/236,162.78
  6. Step 6: Final answer
    x = 114,269.37

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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.