Home / 165,913.94-228,961.48-90,462.44

Finding the Fourth Proportional to 165,913.94, 228,961.48 and 90,462.44

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Solution

The fourth proportional to 165,913.94, 228,961.48 and 90,462.44 is: 124,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,913.94 : 228,961.48 = 90,462.44 : x
  2. Step 2: Convert to fraction form
    165,913.94/228,961.48 = 90,462.44/x
  3. Step 3: Cross multiply
    165,913.94x = 228,961.48 × 90,462.44
  4. Step 4: Simplify right side
    165,913.94x = 20,712,414,146.81
  5. Step 5: Solve for x
    x = 20,712,414,146.81/165,913.94
  6. Step 6: Final answer
    x = 124,838.30

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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.