Home / 218,114.13-327,266.79-105,880.53

Finding the Fourth Proportional to 218,114.13, 327,266.79 and 105,880.53

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Solution

The fourth proportional to 218,114.13, 327,266.79 and 105,880.53 is: 158,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,114.13 : 327,266.79 = 105,880.53 : x
  2. Step 2: Convert to fraction form
    218,114.13/327,266.79 = 105,880.53/x
  3. Step 3: Cross multiply
    218,114.13x = 327,266.79 × 105,880.53
  4. Step 4: Simplify right side
    218,114.13x = 34,651,181,176.60
  5. Step 5: Solve for x
    x = 34,651,181,176.60/218,114.13
  6. Step 6: Final answer
    x = 158,867.20

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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.