Home / 271,016.16-406,618.56-121,272.26

Finding the Fourth Proportional to 271,016.16, 406,618.56 and 121,272.26

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Solution

The fourth proportional to 271,016.16, 406,618.56 and 121,272.26 is: 181,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,016.16 : 406,618.56 = 121,272.26 : x
  2. Step 2: Convert to fraction form
    271,016.16/406,618.56 = 121,272.26/x
  3. Step 3: Cross multiply
    271,016.16x = 406,618.56 × 121,272.26
  4. Step 4: Simplify right side
    271,016.16x = 49,311,551,729.15
  5. Step 5: Solve for x
    x = 49,311,551,729.15/271,016.16
  6. Step 6: Final answer
    x = 181,950.60

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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.