Home / 123,383.97-170,269.94-66,795.35

Finding the Fourth Proportional to 123,383.97, 170,269.94 and 66,795.35

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Solution

The fourth proportional to 123,383.97, 170,269.94 and 66,795.35 is: 92,177.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,383.97 : 170,269.94 = 66,795.35 : x
  2. Step 2: Convert to fraction form
    123,383.97/170,269.94 = 66,795.35/x
  3. Step 3: Cross multiply
    123,383.97x = 170,269.94 × 66,795.35
  4. Step 4: Simplify right side
    123,383.97x = 11,373,239,051.45
  5. Step 5: Solve for x
    x = 11,373,239,051.45/123,383.97
  6. Step 6: Final answer
    x = 92,177.61

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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.