Home / 206,061.36-309,092.04-112,516.08

Finding the Fourth Proportional to 206,061.36, 309,092.04 and 112,516.08

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Solution

The fourth proportional to 206,061.36, 309,092.04 and 112,516.08 is: 168,774.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,061.36 : 309,092.04 = 112,516.08 : x
  2. Step 2: Convert to fraction form
    206,061.36/309,092.04 = 112,516.08/x
  3. Step 3: Cross multiply
    206,061.36x = 309,092.04 × 112,516.08
  4. Step 4: Simplify right side
    206,061.36x = 34,777,824,700.00
  5. Step 5: Solve for x
    x = 34,777,824,700.00/206,061.36
  6. Step 6: Final answer
    x = 168,774.12

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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.