Home / 215,316.60-322,845.30-110,340.60

Finding the Fourth Proportional to 215,316.60, 322,845.30 and 110,340.60

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Solution

The fourth proportional to 215,316.60, 322,845.30 and 110,340.60 is: 165,444.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,316.60 : 322,845.30 = 110,340.60 : x
  2. Step 2: Convert to fraction form
    215,316.60/322,845.30 = 110,340.60/x
  3. Step 3: Cross multiply
    215,316.60x = 322,845.30 × 110,340.60
  4. Step 4: Simplify right side
    215,316.60x = 35,622,944,109.18
  5. Step 5: Solve for x
    x = 35,622,944,109.18/215,316.60
  6. Step 6: Final answer
    x = 165,444.49

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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.