Home / 215,272.40-322,908.60-110,296.40

Finding the Fourth Proportional to 215,272.40, 322,908.60 and 110,296.40

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Solution

The fourth proportional to 215,272.40, 322,908.60 and 110,296.40 is: 165,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,272.40 : 322,908.60 = 110,296.40 : x
  2. Step 2: Convert to fraction form
    215,272.40/322,908.60 = 110,296.40/x
  3. Step 3: Cross multiply
    215,272.40x = 322,908.60 × 110,296.40
  4. Step 4: Simplify right side
    215,272.40x = 35,615,656,109.04
  5. Step 5: Solve for x
    x = 35,615,656,109.04/215,272.40
  6. Step 6: Final answer
    x = 165,444.60

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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.