Home / 218,905.60-327,629.40-158,763.10

Finding the Fourth Proportional to 218,905.60, 327,629.40 and 158,763.10

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Solution

The fourth proportional to 218,905.60, 327,629.40 and 158,763.10 is: 237,615.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,905.60 : 327,629.40 = 158,763.10 : x
  2. Step 2: Convert to fraction form
    218,905.60/327,629.40 = 158,763.10/x
  3. Step 3: Cross multiply
    218,905.60x = 327,629.40 × 158,763.10
  4. Step 4: Simplify right side
    218,905.60x = 52,015,459,195.14
  5. Step 5: Solve for x
    x = 52,015,459,195.14/218,905.60
  6. Step 6: Final answer
    x = 237,615.94

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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.