Home / 204,629.40-306,977.70-64,354.20

Finding the Fourth Proportional to 204,629.40, 306,977.70 and 64,354.20

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Solution

The fourth proportional to 204,629.40, 306,977.70 and 64,354.20 is: 96,541.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,629.40 : 306,977.70 = 64,354.20 : x
  2. Step 2: Convert to fraction form
    204,629.40/306,977.70 = 64,354.20/x
  3. Step 3: Cross multiply
    204,629.40x = 306,977.70 × 64,354.20
  4. Step 4: Simplify right side
    204,629.40x = 19,755,304,301.34
  5. Step 5: Solve for x
    x = 19,755,304,301.34/204,629.40
  6. Step 6: Final answer
    x = 96,541.87

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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.