Home / 218,627.30-327,199.64-134,440.35

Finding the Fourth Proportional to 218,627.30, 327,199.64 and 134,440.35

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Solution

The fourth proportional to 218,627.30, 327,199.64 and 134,440.35 is: 201,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,627.30 : 327,199.64 = 134,440.35 : x
  2. Step 2: Convert to fraction form
    218,627.30/327,199.64 = 134,440.35/x
  3. Step 3: Cross multiply
    218,627.30x = 327,199.64 × 134,440.35
  4. Step 4: Simplify right side
    218,627.30x = 43,988,834,121.47
  5. Step 5: Solve for x
    x = 43,988,834,121.47/218,627.30
  6. Step 6: Final answer
    x = 201,204.68

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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.