Home / 204,301.71-306,445.14-71,181.45

Finding the Fourth Proportional to 204,301.71, 306,445.14 and 71,181.45

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Solution

The fourth proportional to 204,301.71, 306,445.14 and 71,181.45 is: 106,769.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,301.71 : 306,445.14 = 71,181.45 : x
  2. Step 2: Convert to fraction form
    204,301.71/306,445.14 = 71,181.45/x
  3. Step 3: Cross multiply
    204,301.71x = 306,445.14 × 71,181.45
  4. Step 4: Simplify right side
    204,301.71x = 21,813,209,410.65
  5. Step 5: Solve for x
    x = 21,813,209,410.65/204,301.71
  6. Step 6: Final answer
    x = 106,769.59

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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.