Home / 150,298.75-207,413.66-102,551.07

Finding the Fourth Proportional to 150,298.75, 207,413.66 and 102,551.07

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Solution

The fourth proportional to 150,298.75, 207,413.66 and 102,551.07 is: 141,521.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,298.75 : 207,413.66 = 102,551.07 : x
  2. Step 2: Convert to fraction form
    150,298.75/207,413.66 = 102,551.07/x
  3. Step 3: Cross multiply
    150,298.75x = 207,413.66 × 102,551.07
  4. Step 4: Simplify right side
    150,298.75x = 21,270,493,799.80
  5. Step 5: Solve for x
    x = 21,270,493,799.80/150,298.75
  6. Step 6: Final answer
    x = 141,521.43

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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.