Home / 118,932.08-164,125.04-65,216.96

Finding the Fourth Proportional to 118,932.08, 164,125.04 and 65,216.96

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Solution

The fourth proportional to 118,932.08, 164,125.04 and 65,216.96 is: 89,998.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,932.08 : 164,125.04 = 65,216.96 : x
  2. Step 2: Convert to fraction form
    118,932.08/164,125.04 = 65,216.96/x
  3. Step 3: Cross multiply
    118,932.08x = 164,125.04 × 65,216.96
  4. Step 4: Simplify right side
    118,932.08x = 10,703,736,168.68
  5. Step 5: Solve for x
    x = 10,703,736,168.68/118,932.08
  6. Step 6: Final answer
    x = 89,998.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.