Home / 215,822.07-323,535.87-75,504.15

Finding the Fourth Proportional to 215,822.07, 323,535.87 and 75,504.15

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Solution

The fourth proportional to 215,822.07, 323,535.87 and 75,504.15 is: 113,187.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,822.07 : 323,535.87 = 75,504.15 : x
  2. Step 2: Convert to fraction form
    215,822.07/323,535.87 = 75,504.15/x
  3. Step 3: Cross multiply
    215,822.07x = 323,535.87 × 75,504.15
  4. Step 4: Simplify right side
    215,822.07x = 24,428,300,858.86
  5. Step 5: Solve for x
    x = 24,428,300,858.86/215,822.07
  6. Step 6: Final answer
    x = 113,187.22

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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.