Home / 167,582.09-231,264.79-91,101.33

Finding the Fourth Proportional to 167,582.09, 231,264.79 and 91,101.33

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Solution

The fourth proportional to 167,582.09, 231,264.79 and 91,101.33 is: 125,720.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,582.09 : 231,264.79 = 91,101.33 : x
  2. Step 2: Convert to fraction form
    167,582.09/231,264.79 = 91,101.33/x
  3. Step 3: Cross multiply
    167,582.09x = 231,264.79 × 91,101.33
  4. Step 4: Simplify right side
    167,582.09x = 21,068,529,951.17
  5. Step 5: Solve for x
    x = 21,068,529,951.17/167,582.09
  6. Step 6: Final answer
    x = 125,720.65

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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.