Home / 193,520.25-290,205.81-75,176.01

Finding the Fourth Proportional to 193,520.25, 290,205.81 and 75,176.01

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Solution

The fourth proportional to 193,520.25, 290,205.81 and 75,176.01 is: 112,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,520.25 : 290,205.81 = 75,176.01 : x
  2. Step 2: Convert to fraction form
    193,520.25/290,205.81 = 75,176.01/x
  3. Step 3: Cross multiply
    193,520.25x = 290,205.81 × 75,176.01
  4. Step 4: Simplify right side
    193,520.25x = 21,816,514,874.62
  5. Step 5: Solve for x
    x = 21,816,514,874.62/193,520.25
  6. Step 6: Final answer
    x = 112,735.05

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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.