Home / 165,793.02-248,882.88-81,622.68

Finding the Fourth Proportional to 165,793.02, 248,882.88 and 81,622.68

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Solution

The fourth proportional to 165,793.02, 248,882.88 and 81,622.68 is: 122,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,793.02 : 248,882.88 = 81,622.68 : x
  2. Step 2: Convert to fraction form
    165,793.02/248,882.88 = 81,622.68/x
  3. Step 3: Cross multiply
    165,793.02x = 248,882.88 × 81,622.68
  4. Step 4: Simplify right side
    165,793.02x = 20,314,487,671.72
  5. Step 5: Solve for x
    x = 20,314,487,671.72/165,793.02
  6. Step 6: Final answer
    x = 122,529.21

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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.