Home / 204,507.20-306,656.98-153,439.04

Finding the Fourth Proportional to 204,507.20, 306,656.98 and 153,439.04

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Solution

The fourth proportional to 204,507.20, 306,656.98 and 153,439.04 is: 230,080.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,507.20 : 306,656.98 = 153,439.04 : x
  2. Step 2: Convert to fraction form
    204,507.20/306,656.98 = 153,439.04/x
  3. Step 3: Cross multiply
    204,507.20x = 306,656.98 × 153,439.04
  4. Step 4: Simplify right side
    204,507.20x = 47,053,153,003.54
  5. Step 5: Solve for x
    x = 47,053,153,003.54/204,507.20
  6. Step 6: Final answer
    x = 230,080.66

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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.