Home / 123,336.54-170,204.97-66,747.93

Finding the Fourth Proportional to 123,336.54, 170,204.97 and 66,747.93

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Solution

The fourth proportional to 123,336.54, 170,204.97 and 66,747.93 is: 92,112.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,336.54 : 170,204.97 = 66,747.93 : x
  2. Step 2: Convert to fraction form
    123,336.54/170,204.97 = 66,747.93/x
  3. Step 3: Cross multiply
    123,336.54x = 170,204.97 × 66,747.93
  4. Step 4: Simplify right side
    123,336.54x = 11,360,829,423.21
  5. Step 5: Solve for x
    x = 11,360,829,423.21/123,336.54
  6. Step 6: Final answer
    x = 92,112.44

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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.