Home / 123,383.48-170,269.16-66,794.82

Finding the Fourth Proportional to 123,383.48, 170,269.16 and 66,794.82

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Solution

The fourth proportional to 123,383.48, 170,269.16 and 66,794.82 is: 92,176.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,383.48 : 170,269.16 = 66,794.82 : x
  2. Step 2: Convert to fraction form
    123,383.48/170,269.16 = 66,794.82/x
  3. Step 3: Cross multiply
    123,383.48x = 170,269.16 × 66,794.82
  4. Step 4: Simplify right side
    123,383.48x = 11,373,097,893.75
  5. Step 5: Solve for x
    x = 11,373,097,893.75/123,383.48
  6. Step 6: Final answer
    x = 92,176.83

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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.