Home / 218,076.11-327,487.83-118,430.92

Finding the Fourth Proportional to 218,076.11, 327,487.83 and 118,430.92

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Solution

The fourth proportional to 218,076.11, 327,487.83 and 118,430.92 is: 177,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,076.11 : 327,487.83 = 118,430.92 : x
  2. Step 2: Convert to fraction form
    218,076.11/327,487.83 = 118,430.92/x
  3. Step 3: Cross multiply
    218,076.11x = 327,487.83 × 118,430.92
  4. Step 4: Simplify right side
    218,076.11x = 38,784,684,960.95
  5. Step 5: Solve for x
    x = 38,784,684,960.95/218,076.11
  6. Step 6: Final answer
    x = 177,849.31

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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.