Home / 165,336.75-228,166.38-89,886.87

Finding the Fourth Proportional to 165,336.75, 228,166.38 and 89,886.87

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Solution

The fourth proportional to 165,336.75, 228,166.38 and 89,886.87 is: 124,044.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,336.75 : 228,166.38 = 89,886.87 : x
  2. Step 2: Convert to fraction form
    165,336.75/228,166.38 = 89,886.87/x
  3. Step 3: Cross multiply
    165,336.75x = 228,166.38 × 89,886.87
  4. Step 4: Simplify right side
    165,336.75x = 20,509,161,737.43
  5. Step 5: Solve for x
    x = 20,509,161,737.43/165,336.75
  6. Step 6: Final answer
    x = 124,044.79

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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.