Home / 165,737.22-228,718.87-100,327.55

Finding the Fourth Proportional to 165,737.22, 228,718.87 and 100,327.55

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Solution

The fourth proportional to 165,737.22, 228,718.87 and 100,327.55 is: 138,452.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,737.22 : 228,718.87 = 100,327.55 : x
  2. Step 2: Convert to fraction form
    165,737.22/228,718.87 = 100,327.55/x
  3. Step 3: Cross multiply
    165,737.22x = 228,718.87 × 100,327.55
  4. Step 4: Simplify right side
    165,737.22x = 22,946,802,722.27
  5. Step 5: Solve for x
    x = 22,946,802,722.27/165,737.22
  6. Step 6: Final answer
    x = 138,452.93

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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.