Home / 165,322.50-228,146.67-89,872.62

Finding the Fourth Proportional to 165,322.50, 228,146.67 and 89,872.62

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Solution

The fourth proportional to 165,322.50, 228,146.67 and 89,872.62 is: 124,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,322.50 : 228,146.67 = 89,872.62 : x
  2. Step 2: Convert to fraction form
    165,322.50/228,146.67 = 89,872.62/x
  3. Step 3: Cross multiply
    165,322.50x = 228,146.67 × 89,872.62
  4. Step 4: Simplify right side
    165,322.50x = 20,504,138,977.18
  5. Step 5: Solve for x
    x = 20,504,138,977.18/165,322.50
  6. Step 6: Final answer
    x = 124,025.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.