Home / 165,531.68-228,417.90-92,917.93

Finding the Fourth Proportional to 165,531.68, 228,417.90 and 92,917.93

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Solution

The fourth proportional to 165,531.68, 228,417.90 and 92,917.93 is: 128,217.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,531.68 : 228,417.90 = 92,917.93 : x
  2. Step 2: Convert to fraction form
    165,531.68/228,417.90 = 92,917.93/x
  3. Step 3: Cross multiply
    165,531.68x = 228,417.90 × 92,917.93
  4. Step 4: Simplify right side
    165,531.68x = 21,224,118,442.95
  5. Step 5: Solve for x
    x = 21,224,118,442.95/165,531.68
  6. Step 6: Final answer
    x = 128,217.87

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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.