Home / 123,383.54-170,269.84-66,794.92

Finding the Fourth Proportional to 123,383.54, 170,269.84 and 66,794.92

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Solution

The fourth proportional to 123,383.54, 170,269.84 and 66,794.92 is: 92,177.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,383.54 : 170,269.84 = 66,794.92 : x
  2. Step 2: Convert to fraction form
    123,383.54/170,269.84 = 66,794.92/x
  3. Step 3: Cross multiply
    123,383.54x = 170,269.84 × 66,794.92
  4. Step 4: Simplify right side
    123,383.54x = 11,373,159,322.88
  5. Step 5: Solve for x
    x = 11,373,159,322.88/123,383.54
  6. Step 6: Final answer
    x = 92,177.28

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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.