Home / 204,966.49-307,543.15-105,196.75

Finding the Fourth Proportional to 204,966.49, 307,543.15 and 105,196.75

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Solution

The fourth proportional to 204,966.49, 307,543.15 and 105,196.75 is: 157,843.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,966.49 : 307,543.15 = 105,196.75 : x
  2. Step 2: Convert to fraction form
    204,966.49/307,543.15 = 105,196.75/x
  3. Step 3: Cross multiply
    204,966.49x = 307,543.15 × 105,196.75
  4. Step 4: Simplify right side
    204,966.49x = 32,352,538,327.05
  5. Step 5: Solve for x
    x = 32,352,538,327.05/204,966.49
  6. Step 6: Final answer
    x = 157,843.06

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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.