Home / 271,107.03-406,496.34-121,319.40

Finding the Fourth Proportional to 271,107.03, 406,496.34 and 121,319.40

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Solution

The fourth proportional to 271,107.03, 406,496.34 and 121,319.40 is: 181,905.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,107.03 : 406,496.34 = 121,319.40 : x
  2. Step 2: Convert to fraction form
    271,107.03/406,496.34 = 121,319.40/x
  3. Step 3: Cross multiply
    271,107.03x = 406,496.34 × 121,319.40
  4. Step 4: Simplify right side
    271,107.03x = 49,315,892,071.00
  5. Step 5: Solve for x
    x = 49,315,892,071.00/271,107.03
  6. Step 6: Final answer
    x = 181,905.62

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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.