Home / 269,413.81-371,816.00-154,707.48

Finding the Fourth Proportional to 269,413.81, 371,816.00 and 154,707.48

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Solution

The fourth proportional to 269,413.81, 371,816.00 and 154,707.48 is: 213,510.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,413.81 : 371,816.00 = 154,707.48 : x
  2. Step 2: Convert to fraction form
    269,413.81/371,816.00 = 154,707.48/x
  3. Step 3: Cross multiply
    269,413.81x = 371,816.00 × 154,707.48
  4. Step 4: Simplify right side
    269,413.81x = 57,522,715,610.14
  5. Step 5: Solve for x
    x = 57,522,715,610.14/269,413.81
  6. Step 6: Final answer
    x = 213,510.64

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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.