Home / 167,580.40-251,228.97-72,738.85

Finding the Fourth Proportional to 167,580.40, 251,228.97 and 72,738.85

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Solution

The fourth proportional to 167,580.40, 251,228.97 and 72,738.85 is: 109,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,580.40 : 251,228.97 = 72,738.85 : x
  2. Step 2: Convert to fraction form
    167,580.40/251,228.97 = 72,738.85/x
  3. Step 3: Cross multiply
    167,580.40x = 251,228.97 × 72,738.85
  4. Step 4: Simplify right side
    167,580.40x = 18,274,106,364.48
  5. Step 5: Solve for x
    x = 18,274,106,364.48/167,580.40
  6. Step 6: Final answer
    x = 109,046.80

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1.5x scale

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.