Home / 162,091.35-242,932.51-82,149.41

Finding the Fourth Proportional to 162,091.35, 242,932.51 and 82,149.41

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Solution

The fourth proportional to 162,091.35, 242,932.51 and 82,149.41 is: 123,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,091.35 : 242,932.51 = 82,149.41 : x
  2. Step 2: Convert to fraction form
    162,091.35/242,932.51 = 82,149.41/x
  3. Step 3: Cross multiply
    162,091.35x = 242,932.51 × 82,149.41
  4. Step 4: Simplify right side
    162,091.35x = 19,956,760,740.91
  5. Step 5: Solve for x
    x = 19,956,760,740.91/162,091.35
  6. Step 6: Final answer
    x = 123,120.45

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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.