Home / 152,081.20-228,185.52-67,783.28

Finding the Fourth Proportional to 152,081.20, 228,185.52 and 67,783.28

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Solution

The fourth proportional to 152,081.20, 228,185.52 and 67,783.28 is: 101,703.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,081.20 : 228,185.52 = 67,783.28 : x
  2. Step 2: Convert to fraction form
    152,081.20/228,185.52 = 67,783.28/x
  3. Step 3: Cross multiply
    152,081.20x = 228,185.52 × 67,783.28
  4. Step 4: Simplify right side
    152,081.20x = 15,467,162,994.11
  5. Step 5: Solve for x
    x = 15,467,162,994.11/152,081.20
  6. Step 6: Final answer
    x = 101,703.32

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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.