Home / 352,552.60-528,051.30-212,066.20

Finding the Fourth Proportional to 352,552.60, 528,051.30 and 212,066.20

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Solution

The fourth proportional to 352,552.60, 528,051.30 and 212,066.20 is: 317,631.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,552.60 : 528,051.30 = 212,066.20 : x
  2. Step 2: Convert to fraction form
    352,552.60/528,051.30 = 212,066.20/x
  3. Step 3: Cross multiply
    352,552.60x = 528,051.30 × 212,066.20
  4. Step 4: Simplify right side
    352,552.60x = 111,981,832,596.06
  5. Step 5: Solve for x
    x = 111,981,832,596.06/352,552.60
  6. Step 6: Final answer
    x = 317,631.56

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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.