Home / 216,500.52-324,529.32-109,686.54

Finding the Fourth Proportional to 216,500.52, 324,529.32 and 109,686.54

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Solution

The fourth proportional to 216,500.52, 324,529.32 and 109,686.54 is: 164,417.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,500.52 : 324,529.32 = 109,686.54 : x
  2. Step 2: Convert to fraction form
    216,500.52/324,529.32 = 109,686.54/x
  3. Step 3: Cross multiply
    216,500.52x = 324,529.32 × 109,686.54
  4. Step 4: Simplify right side
    216,500.52x = 35,596,498,239.35
  5. Step 5: Solve for x
    x = 35,596,498,239.35/216,500.52
  6. Step 6: Final answer
    x = 164,417.61

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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.