Home / 205,980.11-309,014.24-63,822.22

Finding the Fourth Proportional to 205,980.11, 309,014.24 and 63,822.22

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Solution

The fourth proportional to 205,980.11, 309,014.24 and 63,822.22 is: 95,746.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,980.11 : 309,014.24 = 63,822.22 : x
  2. Step 2: Convert to fraction form
    205,980.11/309,014.24 = 63,822.22/x
  3. Step 3: Cross multiply
    205,980.11x = 309,014.24 × 63,822.22
  4. Step 4: Simplify right side
    205,980.11x = 19,721,974,195.43
  5. Step 5: Solve for x
    x = 19,721,974,195.43/205,980.11
  6. Step 6: Final answer
    x = 95,746.99

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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.