Home / 193,626.96-290,458.36-75,307.28

Finding the Fourth Proportional to 193,626.96, 290,458.36 and 75,307.28

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Solution

The fourth proportional to 193,626.96, 290,458.36 and 75,307.28 is: 112,967.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,626.96 : 290,458.36 = 75,307.28 : x
  2. Step 2: Convert to fraction form
    193,626.96/290,458.36 = 75,307.28/x
  3. Step 3: Cross multiply
    193,626.96x = 290,458.36 × 75,307.28
  4. Step 4: Simplify right side
    193,626.96x = 21,873,629,044.86
  5. Step 5: Solve for x
    x = 21,873,629,044.86/193,626.96
  6. Step 6: Final answer
    x = 112,967.89

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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.