Home / 167,697.83-231,428.19-91,222.49

Finding the Fourth Proportional to 167,697.83, 231,428.19 and 91,222.49

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Solution

The fourth proportional to 167,697.83, 231,428.19 and 91,222.49 is: 125,889.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,697.83 : 231,428.19 = 91,222.49 : x
  2. Step 2: Convert to fraction form
    167,697.83/231,428.19 = 91,222.49/x
  3. Step 3: Cross multiply
    167,697.83x = 231,428.19 × 91,222.49
  4. Step 4: Simplify right side
    167,697.83x = 21,111,454,590.85
  5. Step 5: Solve for x
    x = 21,111,454,590.85/167,697.83
  6. Step 6: Final answer
    x = 125,889.85

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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.