Home / 165,436.72-228,281.04-93,790.56

Finding the Fourth Proportional to 165,436.72, 228,281.04 and 93,790.56

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Solution

The fourth proportional to 165,436.72, 228,281.04 and 93,790.56 is: 129,418.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,436.72 : 228,281.04 = 93,790.56 : x
  2. Step 2: Convert to fraction form
    165,436.72/228,281.04 = 93,790.56/x
  3. Step 3: Cross multiply
    165,436.72x = 228,281.04 × 93,790.56
  4. Step 4: Simplify right side
    165,436.72x = 21,410,606,578.98
  5. Step 5: Solve for x
    x = 21,410,606,578.98/165,436.72
  6. Step 6: Final answer
    x = 129,418.71

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1.5x scale

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.