Home / 271,135.58-406,701.32-81,595.13

Finding the Fourth Proportional to 271,135.58, 406,701.32 and 81,595.13

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Solution

The fourth proportional to 271,135.58, 406,701.32 and 81,595.13 is: 122,392.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,135.58 : 406,701.32 = 81,595.13 : x
  2. Step 2: Convert to fraction form
    271,135.58/406,701.32 = 81,595.13/x
  3. Step 3: Cross multiply
    271,135.58x = 406,701.32 × 81,595.13
  4. Step 4: Simplify right side
    271,135.58x = 33,184,844,635.09
  5. Step 5: Solve for x
    x = 33,184,844,635.09/271,135.58
  6. Step 6: Final answer
    x = 122,392.07

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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.