Home / 218,335.81-327,534.46-76,160.35

Finding the Fourth Proportional to 218,335.81, 327,534.46 and 76,160.35

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Solution

The fourth proportional to 218,335.81, 327,534.46 and 76,160.35 is: 114,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,335.81 : 327,534.46 = 76,160.35 : x
  2. Step 2: Convert to fraction form
    218,335.81/327,534.46 = 76,160.35/x
  3. Step 3: Cross multiply
    218,335.81x = 327,534.46 × 76,160.35
  4. Step 4: Simplify right side
    218,335.81x = 24,945,137,915.70
  5. Step 5: Solve for x
    x = 24,945,137,915.70/218,335.81
  6. Step 6: Final answer
    x = 114,251.25

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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.