Home / 108,157.25-162,337.64-54,887.47

Finding the Fourth Proportional to 108,157.25, 162,337.64 and 54,887.47

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Solution

The fourth proportional to 108,157.25, 162,337.64 and 54,887.47 is: 82,382.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,157.25 : 162,337.64 = 54,887.47 : x
  2. Step 2: Convert to fraction form
    108,157.25/162,337.64 = 54,887.47/x
  3. Step 3: Cross multiply
    108,157.25x = 162,337.64 × 54,887.47
  4. Step 4: Simplify right side
    108,157.25x = 8,910,301,665.09
  5. Step 5: Solve for x
    x = 8,910,301,665.09/108,157.25
  6. Step 6: Final answer
    x = 82,382.84

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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.