Home / 123,383.53-170,269.33-66,794.91

Finding the Fourth Proportional to 123,383.53, 170,269.33 and 66,794.91

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Solution

The fourth proportional to 123,383.53, 170,269.33 and 66,794.91 is: 92,177.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,383.53 : 170,269.33 = 66,794.91 : x
  2. Step 2: Convert to fraction form
    123,383.53/170,269.33 = 66,794.91/x
  3. Step 3: Cross multiply
    123,383.53x = 170,269.33 × 66,794.91
  4. Step 4: Simplify right side
    123,383.53x = 11,373,124,573.11
  5. Step 5: Solve for x
    x = 11,373,124,573.11/123,383.53
  6. Step 6: Final answer
    x = 92,177.01

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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.