Home / 109,961.20-164,747.40-97,519.60

Finding the Fourth Proportional to 109,961.20, 164,747.40 and 97,519.60

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Solution

The fourth proportional to 109,961.20, 164,747.40 and 97,519.60 is: 146,107.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,961.20 : 164,747.40 = 97,519.60 : x
  2. Step 2: Convert to fraction form
    109,961.20/164,747.40 = 97,519.60/x
  3. Step 3: Cross multiply
    109,961.20x = 164,747.40 × 97,519.60
  4. Step 4: Simplify right side
    109,961.20x = 16,066,100,549.04
  5. Step 5: Solve for x
    x = 16,066,100,549.04/109,961.20
  6. Step 6: Final answer
    x = 146,107.00

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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.