Home / 167,288.22-230,857.96-90,807.28

Finding the Fourth Proportional to 167,288.22, 230,857.96 and 90,807.28

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Solution

The fourth proportional to 167,288.22, 230,857.96 and 90,807.28 is: 125,314.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,288.22 : 230,857.96 = 90,807.28 : x
  2. Step 2: Convert to fraction form
    167,288.22/230,857.96 = 90,807.28/x
  3. Step 3: Cross multiply
    167,288.22x = 230,857.96 × 90,807.28
  4. Step 4: Simplify right side
    167,288.22x = 20,963,583,413.95
  5. Step 5: Solve for x
    x = 20,963,583,413.95/167,288.22
  6. Step 6: Final answer
    x = 125,314.16

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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.