Home / 167,490.30-231,137.48-91,009.59

Finding the Fourth Proportional to 167,490.30, 231,137.48 and 91,009.59

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Solution

The fourth proportional to 167,490.30, 231,137.48 and 91,009.59 is: 125,593.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,490.30 : 231,137.48 = 91,009.59 : x
  2. Step 2: Convert to fraction form
    167,490.30/231,137.48 = 91,009.59/x
  3. Step 3: Cross multiply
    167,490.30x = 231,137.48 × 91,009.59
  4. Step 4: Simplify right side
    167,490.30x = 21,035,726,833.39
  5. Step 5: Solve for x
    x = 21,035,726,833.39/167,490.30
  6. Step 6: Final answer
    x = 125,593.70

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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.