Home / 271,018.16-406,621.56-121,274.26

Finding the Fourth Proportional to 271,018.16, 406,621.56 and 121,274.26

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Solution

The fourth proportional to 271,018.16, 406,621.56 and 121,274.26 is: 181,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,018.16 : 406,621.56 = 121,274.26 : x
  2. Step 2: Convert to fraction form
    271,018.16/406,621.56 = 121,274.26/x
  3. Step 3: Cross multiply
    271,018.16x = 406,621.56 × 121,274.26
  4. Step 4: Simplify right side
    271,018.16x = 49,312,728,789.05
  5. Step 5: Solve for x
    x = 49,312,728,789.05/271,018.16
  6. Step 6: Final answer
    x = 181,953.60

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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.