Home / 215,929.60-323,764.80-110,953.60

Finding the Fourth Proportional to 215,929.60, 323,764.80 and 110,953.60

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Solution

The fourth proportional to 215,929.60, 323,764.80 and 110,953.60 is: 166,363.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,929.60 : 323,764.80 = 110,953.60 : x
  2. Step 2: Convert to fraction form
    215,929.60/323,764.80 = 110,953.60/x
  3. Step 3: Cross multiply
    215,929.60x = 323,764.80 × 110,953.60
  4. Step 4: Simplify right side
    215,929.60x = 35,922,870,113.28
  5. Step 5: Solve for x
    x = 35,922,870,113.28/215,929.60
  6. Step 6: Final answer
    x = 166,363.81

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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.