Home / 214,972.32-322,504.36-72,812.62

Finding the Fourth Proportional to 214,972.32, 322,504.36 and 72,812.62

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Solution

The fourth proportional to 214,972.32, 322,504.36 and 72,812.62 is: 109,234.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,972.32 : 322,504.36 = 72,812.62 : x
  2. Step 2: Convert to fraction form
    214,972.32/322,504.36 = 72,812.62/x
  3. Step 3: Cross multiply
    214,972.32x = 322,504.36 × 72,812.62
  4. Step 4: Simplify right side
    214,972.32x = 23,482,387,634.12
  5. Step 5: Solve for x
    x = 23,482,387,634.12/214,972.32
  6. Step 6: Final answer
    x = 109,234.47

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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.