Home / 152,083.20-228,188.52-67,785.28

Finding the Fourth Proportional to 152,083.20, 228,188.52 and 67,785.28

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Solution

The fourth proportional to 152,083.20, 228,188.52 and 67,785.28 is: 101,706.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,083.20 : 228,188.52 = 67,785.28 : x
  2. Step 2: Convert to fraction form
    152,083.20/228,188.52 = 67,785.28/x
  3. Step 3: Cross multiply
    152,083.20x = 228,188.52 × 67,785.28
  4. Step 4: Simplify right side
    152,083.20x = 15,467,822,720.99
  5. Step 5: Solve for x
    x = 15,467,822,720.99/152,083.20
  6. Step 6: Final answer
    x = 101,706.32

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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.