Home / 215,063.10-322,660.26-109,955.88

Finding the Fourth Proportional to 215,063.10, 322,660.26 and 109,955.88

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Solution

The fourth proportional to 215,063.10, 322,660.26 and 109,955.88 is: 164,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,063.10 : 322,660.26 = 109,955.88 : x
  2. Step 2: Convert to fraction form
    215,063.10/322,660.26 = 109,955.88/x
  3. Step 3: Cross multiply
    215,063.10x = 322,660.26 × 109,955.88
  4. Step 4: Simplify right side
    215,063.10x = 35,478,392,829.33
  5. Step 5: Solve for x
    x = 35,478,392,829.33/215,063.10
  6. Step 6: Final answer
    x = 164,967.36

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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.