Home / 214,919.19-322,294.34-72,725.31

Finding the Fourth Proportional to 214,919.19, 322,294.34 and 72,725.31

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Solution

The fourth proportional to 214,919.19, 322,294.34 and 72,725.31 is: 109,059.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,919.19 : 322,294.34 = 72,725.31 : x
  2. Step 2: Convert to fraction form
    214,919.19/322,294.34 = 72,725.31/x
  3. Step 3: Cross multiply
    214,919.19x = 322,294.34 × 72,725.31
  4. Step 4: Simplify right side
    214,919.19x = 23,438,955,969.56
  5. Step 5: Solve for x
    x = 23,438,955,969.56/214,919.19
  6. Step 6: Final answer
    x = 109,059.39

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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.