Home / 206,560.08-309,802.84-54,758.16

Finding the Fourth Proportional to 206,560.08, 309,802.84 and 54,758.16

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Solution

The fourth proportional to 206,560.08, 309,802.84 and 54,758.16 is: 82,127.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,560.08 : 309,802.84 = 54,758.16 : x
  2. Step 2: Convert to fraction form
    206,560.08/309,802.84 = 54,758.16/x
  3. Step 3: Cross multiply
    206,560.08x = 309,802.84 × 54,758.16
  4. Step 4: Simplify right side
    206,560.08x = 16,964,233,481.17
  5. Step 5: Solve for x
    x = 16,964,233,481.17/206,560.08
  6. Step 6: Final answer
    x = 82,127.36

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1.5x scale

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.