Home / 214,821.45-322,380.09-74,580.07

Finding the Fourth Proportional to 214,821.45, 322,380.09 and 74,580.07

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Solution

The fourth proportional to 214,821.45, 322,380.09 and 74,580.07 is: 111,921.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,821.45 : 322,380.09 = 74,580.07 : x
  2. Step 2: Convert to fraction form
    214,821.45/322,380.09 = 74,580.07/x
  3. Step 3: Cross multiply
    214,821.45x = 322,380.09 × 74,580.07
  4. Step 4: Simplify right side
    214,821.45x = 24,043,129,678.81
  5. Step 5: Solve for x
    x = 24,043,129,678.81/214,821.45
  6. Step 6: Final answer
    x = 111,921.46

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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.