Home / 167,433.06-231,061.47-90,955.20

Finding the Fourth Proportional to 167,433.06, 231,061.47 and 90,955.20

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Solution

The fourth proportional to 167,433.06, 231,061.47 and 90,955.20 is: 125,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,433.06 : 231,061.47 = 90,955.20 : x
  2. Step 2: Convert to fraction form
    167,433.06/231,061.47 = 90,955.20/x
  3. Step 3: Cross multiply
    167,433.06x = 231,061.47 × 90,955.20
  4. Step 4: Simplify right side
    167,433.06x = 21,016,242,216.14
  5. Step 5: Solve for x
    x = 21,016,242,216.14/167,433.06
  6. Step 6: Final answer
    x = 125,520.27

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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.