Home / 214,962.60-322,328.70-90,162.60

Finding the Fourth Proportional to 214,962.60, 322,328.70 and 90,162.60

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Solution

The fourth proportional to 214,962.60, 322,328.70 and 90,162.60 is: 135,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,962.60 : 322,328.70 = 90,162.60 : x
  2. Step 2: Convert to fraction form
    214,962.60/322,328.70 = 90,162.60/x
  3. Step 3: Cross multiply
    214,962.60x = 322,328.70 × 90,162.60
  4. Step 4: Simplify right side
    214,962.60x = 29,061,993,646.62
  5. Step 5: Solve for x
    x = 29,061,993,646.62/214,962.60
  6. Step 6: Final answer
    x = 135,195.58

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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.