Home / 167,715.38-251,521.86-47,782.12

Finding the Fourth Proportional to 167,715.38, 251,521.86 and 47,782.12

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Solution

The fourth proportional to 167,715.38, 251,521.86 and 47,782.12 is: 71,658.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,715.38 : 251,521.86 = 47,782.12 : x
  2. Step 2: Convert to fraction form
    167,715.38/251,521.86 = 47,782.12/x
  3. Step 3: Cross multiply
    167,715.38x = 251,521.86 × 47,782.12
  4. Step 4: Simplify right side
    167,715.38x = 12,018,247,450.35
  5. Step 5: Solve for x
    x = 12,018,247,450.35/167,715.38
  6. Step 6: Final answer
    x = 71,658.59

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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.