Home / 165,884.44-228,919.98-90,432.92

Finding the Fourth Proportional to 165,884.44, 228,919.98 and 90,432.92

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Solution

The fourth proportional to 165,884.44, 228,919.98 and 90,432.92 is: 124,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,884.44 : 228,919.98 = 90,432.92 : x
  2. Step 2: Convert to fraction form
    165,884.44/228,919.98 = 90,432.92/x
  3. Step 3: Cross multiply
    165,884.44x = 228,919.98 × 90,432.92
  4. Step 4: Simplify right side
    165,884.44x = 20,701,902,237.74
  5. Step 5: Solve for x
    x = 20,701,902,237.74/165,884.44
  6. Step 6: Final answer
    x = 124,797.13

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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.