Home / 155,610.07-214,744.68-91,947.73

Finding the Fourth Proportional to 155,610.07, 214,744.68 and 91,947.73

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Solution

The fourth proportional to 155,610.07, 214,744.68 and 91,947.73 is: 126,889.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,610.07 : 214,744.68 = 91,947.73 : x
  2. Step 2: Convert to fraction form
    155,610.07/214,744.68 = 91,947.73/x
  3. Step 3: Cross multiply
    155,610.07x = 214,744.68 × 91,947.73
  4. Step 4: Simplify right side
    155,610.07x = 19,745,285,855.58
  5. Step 5: Solve for x
    x = 19,745,285,855.58/155,610.07
  6. Step 6: Final answer
    x = 126,889.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.