Home / 161,533.85-242,350.38-82,703.43

Finding the Fourth Proportional to 161,533.85, 242,350.38 and 82,703.43

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Solution

The fourth proportional to 161,533.85, 242,350.38 and 82,703.43 is: 124,080.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,533.85 : 242,350.38 = 82,703.43 : x
  2. Step 2: Convert to fraction form
    161,533.85/242,350.38 = 82,703.43/x
  3. Step 3: Cross multiply
    161,533.85x = 242,350.38 × 82,703.43
  4. Step 4: Simplify right side
    161,533.85x = 20,043,207,687.80
  5. Step 5: Solve for x
    x = 20,043,207,687.80/161,533.85
  6. Step 6: Final answer
    x = 124,080.55

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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.