Home / 161,994.22-243,099.79-67,224.49

Finding the Fourth Proportional to 161,994.22, 243,099.79 and 67,224.49

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Solution

The fourth proportional to 161,994.22, 243,099.79 and 67,224.49 is: 100,881.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,994.22 : 243,099.79 = 67,224.49 : x
  2. Step 2: Convert to fraction form
    161,994.22/243,099.79 = 67,224.49/x
  3. Step 3: Cross multiply
    161,994.22x = 243,099.79 × 67,224.49
  4. Step 4: Simplify right side
    161,994.22x = 16,342,259,993.48
  5. Step 5: Solve for x
    x = 16,342,259,993.48/161,994.22
  6. Step 6: Final answer
    x = 100,881.75

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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.