Home / 167,413.14-231,029.47-90,931.62

Finding the Fourth Proportional to 167,413.14, 231,029.47 and 90,931.62

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Solution

The fourth proportional to 167,413.14, 231,029.47 and 90,931.62 is: 125,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,413.14 : 231,029.47 = 90,931.62 : x
  2. Step 2: Convert to fraction form
    167,413.14/231,029.47 = 90,931.62/x
  3. Step 3: Cross multiply
    167,413.14x = 231,029.47 × 90,931.62
  4. Step 4: Simplify right side
    167,413.14x = 21,007,882,863.00
  5. Step 5: Solve for x
    x = 21,007,882,863.00/167,413.14
  6. Step 6: Final answer
    x = 125,485.27

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1.5x scale

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.