Home / 165,321.86-228,148.88-100,794.82

Finding the Fourth Proportional to 165,321.86, 228,148.88 and 100,794.82

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Solution

The fourth proportional to 165,321.86, 228,148.88 and 100,794.82 is: 139,099.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,321.86 : 228,148.88 = 100,794.82 : x
  2. Step 2: Convert to fraction form
    165,321.86/228,148.88 = 100,794.82/x
  3. Step 3: Cross multiply
    165,321.86x = 228,148.88 × 100,794.82
  4. Step 4: Simplify right side
    165,321.86x = 22,996,225,292.80
  5. Step 5: Solve for x
    x = 22,996,225,292.80/165,321.86
  6. Step 6: Final answer
    x = 139,099.73

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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.