Home / 214,772.40-322,159.74-72,618.60

Finding the Fourth Proportional to 214,772.40, 322,159.74 and 72,618.60

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Solution

The fourth proportional to 214,772.40, 322,159.74 and 72,618.60 is: 108,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,772.40 : 322,159.74 = 72,618.60 : x
  2. Step 2: Convert to fraction form
    214,772.40/322,159.74 = 72,618.60/x
  3. Step 3: Cross multiply
    214,772.40x = 322,159.74 × 72,618.60
  4. Step 4: Simplify right side
    214,772.40x = 23,394,789,295.16
  5. Step 5: Solve for x
    x = 23,394,789,295.16/214,772.40
  6. Step 6: Final answer
    x = 108,928.29

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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.