Home / 204,812.10-307,218.15-64,584.90

Finding the Fourth Proportional to 204,812.10, 307,218.15 and 64,584.90

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Solution

The fourth proportional to 204,812.10, 307,218.15 and 64,584.90 is: 96,877.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,812.10 : 307,218.15 = 64,584.90 : x
  2. Step 2: Convert to fraction form
    204,812.10/307,218.15 = 64,584.90/x
  3. Step 3: Cross multiply
    204,812.10x = 307,218.15 × 64,584.90
  4. Step 4: Simplify right side
    204,812.10x = 19,841,653,495.94
  5. Step 5: Solve for x
    x = 19,841,653,495.94/204,812.10
  6. Step 6: Final answer
    x = 96,877.35

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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.