Home / 109,401.60-164,102.40-92,294.40

Finding the Fourth Proportional to 109,401.60, 164,102.40 and 92,294.40

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Solution

The fourth proportional to 109,401.60, 164,102.40 and 92,294.40 is: 138,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,401.60 : 164,102.40 = 92,294.40 : x
  2. Step 2: Convert to fraction form
    109,401.60/164,102.40 = 92,294.40/x
  3. Step 3: Cross multiply
    109,401.60x = 164,102.40 × 92,294.40
  4. Step 4: Simplify right side
    109,401.60x = 15,145,732,546.56
  5. Step 5: Solve for x
    x = 15,145,732,546.56/109,401.60
  6. Step 6: Final answer
    x = 138,441.60

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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.