Home / 156,241.14-215,628.21-89,183.22

Finding the Fourth Proportional to 156,241.14, 215,628.21 and 89,183.22

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Solution

The fourth proportional to 156,241.14, 215,628.21 and 89,183.22 is: 123,081.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,241.14 : 215,628.21 = 89,183.22 : x
  2. Step 2: Convert to fraction form
    156,241.14/215,628.21 = 89,183.22/x
  3. Step 3: Cross multiply
    156,241.14x = 215,628.21 × 89,183.22
  4. Step 4: Simplify right side
    156,241.14x = 19,230,418,090.64
  5. Step 5: Solve for x
    x = 19,230,418,090.64/156,241.14
  6. Step 6: Final answer
    x = 123,081.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.