Home / 165,765.71-228,784.13-97,799.31

Finding the Fourth Proportional to 165,765.71, 228,784.13 and 97,799.31

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Solution

The fourth proportional to 165,765.71, 228,784.13 and 97,799.31 is: 134,979.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,765.71 : 228,784.13 = 97,799.31 : x
  2. Step 2: Convert to fraction form
    165,765.71/228,784.13 = 97,799.31/x
  3. Step 3: Cross multiply
    165,765.71x = 228,784.13 × 97,799.31
  4. Step 4: Simplify right side
    165,765.71x = 22,374,929,563.95
  5. Step 5: Solve for x
    x = 22,374,929,563.95/165,765.71
  6. Step 6: Final answer
    x = 134,979.24

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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.