Home / 167,758.08-231,429.86-99,736.46

Finding the Fourth Proportional to 167,758.08, 231,429.86 and 99,736.46

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Solution

The fourth proportional to 167,758.08, 231,429.86 and 99,736.46 is: 137,590.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,758.08 : 231,429.86 = 99,736.46 : x
  2. Step 2: Convert to fraction form
    167,758.08/231,429.86 = 99,736.46/x
  3. Step 3: Cross multiply
    167,758.08x = 231,429.86 × 99,736.46
  4. Step 4: Simplify right side
    167,758.08x = 23,081,995,054.59
  5. Step 5: Solve for x
    x = 23,081,995,054.59/167,758.08
  6. Step 6: Final answer
    x = 137,590.96

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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.