Home / 209,959.28-289,565.55-177,413.14

Finding the Fourth Proportional to 209,959.28, 289,565.55 and 177,413.14

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Solution

The fourth proportional to 209,959.28, 289,565.55 and 177,413.14 is: 244,679.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,959.28 : 289,565.55 = 177,413.14 : x
  2. Step 2: Convert to fraction form
    209,959.28/289,565.55 = 177,413.14/x
  3. Step 3: Cross multiply
    209,959.28x = 289,565.55 × 177,413.14
  4. Step 4: Simplify right side
    209,959.28x = 51,372,733,461.33
  5. Step 5: Solve for x
    x = 51,372,733,461.33/209,959.28
  6. Step 6: Final answer
    x = 244,679.51

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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.