Home / 108,157.91-162,338.62-54,888.12

Finding the Fourth Proportional to 108,157.91, 162,338.62 and 54,888.12

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Solution

The fourth proportional to 108,157.91, 162,338.62 and 54,888.12 is: 82,383.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,157.91 : 162,338.62 = 54,888.12 : x
  2. Step 2: Convert to fraction form
    108,157.91/162,338.62 = 54,888.12/x
  3. Step 3: Cross multiply
    108,157.91x = 162,338.62 × 54,888.12
  4. Step 4: Simplify right side
    108,157.91x = 8,910,462,332.57
  5. Step 5: Solve for x
    x = 8,910,462,332.57/108,157.91
  6. Step 6: Final answer
    x = 82,383.83

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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.