Home / 326,619.06-489,928.42-101,998.75

Finding the Fourth Proportional to 326,619.06, 489,928.42 and 101,998.75

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Solution

The fourth proportional to 326,619.06, 489,928.42 and 101,998.75 is: 152,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,619.06 : 489,928.42 = 101,998.75 : x
  2. Step 2: Convert to fraction form
    326,619.06/489,928.42 = 101,998.75/x
  3. Step 3: Cross multiply
    326,619.06x = 489,928.42 × 101,998.75
  4. Step 4: Simplify right side
    326,619.06x = 49,972,086,429.48
  5. Step 5: Solve for x
    x = 49,972,086,429.48/326,619.06
  6. Step 6: Final answer
    x = 152,998.07

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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.