Home / 161,606.20-242,214.90-82,679.80

Finding the Fourth Proportional to 161,606.20, 242,214.90 and 82,679.80

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Solution

The fourth proportional to 161,606.20, 242,214.90 and 82,679.80 is: 123,920.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,606.20 : 242,214.90 = 82,679.80 : x
  2. Step 2: Convert to fraction form
    161,606.20/242,214.90 = 82,679.80/x
  3. Step 3: Cross multiply
    161,606.20x = 242,214.90 × 82,679.80
  4. Step 4: Simplify right side
    161,606.20x = 20,026,279,489.02
  5. Step 5: Solve for x
    x = 20,026,279,489.02/161,606.20
  6. Step 6: Final answer
    x = 123,920.24

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1.5x scale

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.