Home / 167,579.40-251,227.47-72,737.85

Finding the Fourth Proportional to 167,579.40, 251,227.47 and 72,737.85

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Solution

The fourth proportional to 167,579.40, 251,227.47 and 72,737.85 is: 109,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,579.40 : 251,227.47 = 72,737.85 : x
  2. Step 2: Convert to fraction form
    167,579.40/251,227.47 = 72,737.85/x
  3. Step 3: Cross multiply
    167,579.40x = 251,227.47 × 72,737.85
  4. Step 4: Simplify right side
    167,579.40x = 18,273,746,028.74
  5. Step 5: Solve for x
    x = 18,273,746,028.74/167,579.40
  6. Step 6: Final answer
    x = 109,045.30

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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.