Home / 204,970.64-307,025.37-130,052.21

Finding the Fourth Proportional to 204,970.64, 307,025.37 and 130,052.21

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Solution

The fourth proportional to 204,970.64, 307,025.37 and 130,052.21 is: 194,805.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,970.64 : 307,025.37 = 130,052.21 : x
  2. Step 2: Convert to fraction form
    204,970.64/307,025.37 = 130,052.21/x
  3. Step 3: Cross multiply
    204,970.64x = 307,025.37 × 130,052.21
  4. Step 4: Simplify right side
    204,970.64x = 39,929,326,359.44
  5. Step 5: Solve for x
    x = 39,929,326,359.44/204,970.64
  6. Step 6: Final answer
    x = 194,805.11

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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.