Home / 133,097.13-199,570.36-54,118.49

Finding the Fourth Proportional to 133,097.13, 199,570.36 and 54,118.49

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Solution

The fourth proportional to 133,097.13, 199,570.36 and 54,118.49 is: 81,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,097.13 : 199,570.36 = 54,118.49 : x
  2. Step 2: Convert to fraction form
    133,097.13/199,570.36 = 54,118.49/x
  3. Step 3: Cross multiply
    133,097.13x = 199,570.36 × 54,118.49
  4. Step 4: Simplify right side
    133,097.13x = 10,800,446,531.96
  5. Step 5: Solve for x
    x = 10,800,446,531.96/133,097.13
  6. Step 6: Final answer
    x = 81,147.10

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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.