Home / 320,705.13-481,052.64-110,344.89

Finding the Fourth Proportional to 320,705.13, 481,052.64 and 110,344.89

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Solution

The fourth proportional to 320,705.13, 481,052.64 and 110,344.89 is: 165,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,705.13 : 481,052.64 = 110,344.89 : x
  2. Step 2: Convert to fraction form
    320,705.13/481,052.64 = 110,344.89/x
  3. Step 3: Cross multiply
    320,705.13x = 481,052.64 × 110,344.89
  4. Step 4: Simplify right side
    320,705.13x = 53,081,700,645.01
  5. Step 5: Solve for x
    x = 53,081,700,645.01/320,705.13
  6. Step 6: Final answer
    x = 165,515.60

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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.