Home / 215,966.51-323,949.80-110,718.35

Finding the Fourth Proportional to 215,966.51, 323,949.80 and 110,718.35

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Solution

The fourth proportional to 215,966.51, 323,949.80 and 110,718.35 is: 166,077.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,966.51 : 323,949.80 = 110,718.35 : x
  2. Step 2: Convert to fraction form
    215,966.51/323,949.80 = 110,718.35/x
  3. Step 3: Cross multiply
    215,966.51x = 323,949.80 × 110,718.35
  4. Step 4: Simplify right side
    215,966.51x = 35,867,187,338.83
  5. Step 5: Solve for x
    x = 35,867,187,338.83/215,966.51
  6. Step 6: Final answer
    x = 166,077.54

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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.