Home / 193,508.25-290,187.81-75,164.01

Finding the Fourth Proportional to 193,508.25, 290,187.81 and 75,164.01

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Solution

The fourth proportional to 193,508.25, 290,187.81 and 75,164.01 is: 112,717.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,508.25 : 290,187.81 = 75,164.01 : x
  2. Step 2: Convert to fraction form
    193,508.25/290,187.81 = 75,164.01/x
  3. Step 3: Cross multiply
    193,508.25x = 290,187.81 × 75,164.01
  4. Step 4: Simplify right side
    193,508.25x = 21,811,679,452.72
  5. Step 5: Solve for x
    x = 21,811,679,452.72/193,508.25
  6. Step 6: Final answer
    x = 112,717.05

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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.