Home / 193,625.96-290,456.86-75,306.28

Finding the Fourth Proportional to 193,625.96, 290,456.86 and 75,306.28

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Solution

The fourth proportional to 193,625.96, 290,456.86 and 75,306.28 is: 112,966.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,625.96 : 290,456.86 = 75,306.28 : x
  2. Step 2: Convert to fraction form
    193,625.96/290,456.86 = 75,306.28/x
  3. Step 3: Cross multiply
    193,625.96x = 290,456.86 × 75,306.28
  4. Step 4: Simplify right side
    193,625.96x = 21,873,225,627.08
  5. Step 5: Solve for x
    x = 21,873,225,627.08/193,625.96
  6. Step 6: Final answer
    x = 112,966.39

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1.5x scale

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.