Home / 215,967.51-323,951.30-110,719.35

Finding the Fourth Proportional to 215,967.51, 323,951.30 and 110,719.35

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Solution

The fourth proportional to 215,967.51, 323,951.30 and 110,719.35 is: 166,079.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,967.51 : 323,951.30 = 110,719.35 : x
  2. Step 2: Convert to fraction form
    215,967.51/323,951.30 = 110,719.35/x
  3. Step 3: Cross multiply
    215,967.51x = 323,951.30 × 110,719.35
  4. Step 4: Simplify right side
    215,967.51x = 35,867,677,367.66
  5. Step 5: Solve for x
    x = 35,867,677,367.66/215,967.51
  6. Step 6: Final answer
    x = 166,079.04

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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.