Home / 215,432.31-323,296.07-75,190.94

Finding the Fourth Proportional to 215,432.31, 323,296.07 and 75,190.94

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Solution

The fourth proportional to 215,432.31, 323,296.07 and 75,190.94 is: 112,837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,432.31 : 323,296.07 = 75,190.94 : x
  2. Step 2: Convert to fraction form
    215,432.31/323,296.07 = 75,190.94/x
  3. Step 3: Cross multiply
    215,432.31x = 323,296.07 × 75,190.94
  4. Step 4: Simplify right side
    215,432.31x = 24,308,933,409.17
  5. Step 5: Solve for x
    x = 24,308,933,409.17/215,432.31
  6. Step 6: Final answer
    x = 112,837.92

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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.