Home / 152,131.37-228,251.12-67,883.87

Finding the Fourth Proportional to 152,131.37, 228,251.12 and 67,883.87

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Solution

The fourth proportional to 152,131.37, 228,251.12 and 67,883.87 is: 101,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,131.37 : 228,251.12 = 67,883.87 : x
  2. Step 2: Convert to fraction form
    152,131.37/228,251.12 = 67,883.87/x
  3. Step 3: Cross multiply
    152,131.37x = 228,251.12 × 67,883.87
  4. Step 4: Simplify right side
    152,131.37x = 15,494,569,588.64
  5. Step 5: Solve for x
    x = 15,494,569,588.64/152,131.37
  6. Step 6: Final answer
    x = 101,849.93

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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.