Home / 167,904.29-251,874.89-83,685.65

Finding the Fourth Proportional to 167,904.29, 251,874.89 and 83,685.65

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Solution

The fourth proportional to 167,904.29, 251,874.89 and 83,685.65 is: 125,537.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,904.29 : 251,874.89 = 83,685.65 : x
  2. Step 2: Convert to fraction form
    167,904.29/251,874.89 = 83,685.65/x
  3. Step 3: Cross multiply
    167,904.29x = 251,874.89 × 83,685.65
  4. Step 4: Simplify right side
    167,904.29x = 21,078,313,888.33
  5. Step 5: Solve for x
    x = 21,078,313,888.33/167,904.29
  6. Step 6: Final answer
    x = 125,537.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.