Home / 109,556.20-164,156.10-99,058.60

Finding the Fourth Proportional to 109,556.20, 164,156.10 and 99,058.60

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Solution

The fourth proportional to 109,556.20, 164,156.10 and 99,058.60 is: 148,426.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,556.20 : 164,156.10 = 99,058.60 : x
  2. Step 2: Convert to fraction form
    109,556.20/164,156.10 = 99,058.60/x
  3. Step 3: Cross multiply
    109,556.20x = 164,156.10 × 99,058.60
  4. Step 4: Simplify right side
    109,556.20x = 16,261,073,447.46
  5. Step 5: Solve for x
    x = 16,261,073,447.46/109,556.20
  6. Step 6: Final answer
    x = 148,426.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.