Home / 167,869.31-251,711.94-66,564.77

Finding the Fourth Proportional to 167,869.31, 251,711.94 and 66,564.77

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Solution

The fourth proportional to 167,869.31, 251,711.94 and 66,564.77 is: 99,810.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,869.31 : 251,711.94 = 66,564.77 : x
  2. Step 2: Convert to fraction form
    167,869.31/251,711.94 = 66,564.77/x
  3. Step 3: Cross multiply
    167,869.31x = 251,711.94 × 66,564.77
  4. Step 4: Simplify right side
    167,869.31x = 16,755,147,392.35
  5. Step 5: Solve for x
    x = 16,755,147,392.35/167,869.31
  6. Step 6: Final answer
    x = 99,810.66

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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.