Home / 326,619.29-489,928.76-101,998.98

Finding the Fourth Proportional to 326,619.29, 489,928.76 and 101,998.98

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Solution

The fourth proportional to 326,619.29, 489,928.76 and 101,998.98 is: 152,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,619.29 : 489,928.76 = 101,998.98 : x
  2. Step 2: Convert to fraction form
    326,619.29/489,928.76 = 101,998.98/x
  3. Step 3: Cross multiply
    326,619.29x = 489,928.76 × 101,998.98
  4. Step 4: Simplify right side
    326,619.29x = 49,972,233,282.67
  5. Step 5: Solve for x
    x = 49,972,233,282.67/326,619.29
  6. Step 6: Final answer
    x = 152,998.42

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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.