Home / 206,049.36-309,074.04-112,504.08

Finding the Fourth Proportional to 206,049.36, 309,074.04 and 112,504.08

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Solution

The fourth proportional to 206,049.36, 309,074.04 and 112,504.08 is: 168,756.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,049.36 : 309,074.04 = 112,504.08 : x
  2. Step 2: Convert to fraction form
    206,049.36/309,074.04 = 112,504.08/x
  3. Step 3: Cross multiply
    206,049.36x = 309,074.04 × 112,504.08
  4. Step 4: Simplify right side
    206,049.36x = 34,772,090,522.08
  5. Step 5: Solve for x
    x = 34,772,090,522.08/206,049.36
  6. Step 6: Final answer
    x = 168,756.12

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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.