Home / 167,448.06-231,078.54-90,967.22

Finding the Fourth Proportional to 167,448.06, 231,078.54 and 90,967.22

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Solution

The fourth proportional to 167,448.06, 231,078.54 and 90,967.22 is: 125,534.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,448.06 : 231,078.54 = 90,967.22 : x
  2. Step 2: Convert to fraction form
    167,448.06/231,078.54 = 90,967.22/x
  3. Step 3: Cross multiply
    167,448.06x = 231,078.54 × 90,967.22
  4. Step 4: Simplify right side
    167,448.06x = 21,020,571,230.07
  5. Step 5: Solve for x
    x = 21,020,571,230.07/167,448.06
  6. Step 6: Final answer
    x = 125,534.87

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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.