Home / 206,066.36-309,099.54-112,521.08

Finding the Fourth Proportional to 206,066.36, 309,099.54 and 112,521.08

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Solution

The fourth proportional to 206,066.36, 309,099.54 and 112,521.08 is: 168,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,066.36 : 309,099.54 = 112,521.08 : x
  2. Step 2: Convert to fraction form
    206,066.36/309,099.54 = 112,521.08/x
  3. Step 3: Cross multiply
    206,066.36x = 309,099.54 × 112,521.08
  4. Step 4: Simplify right side
    206,066.36x = 34,780,214,068.30
  5. Step 5: Solve for x
    x = 34,780,214,068.30/206,066.36
  6. Step 6: Final answer
    x = 168,781.62

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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.