Home / 123,193.37-170,006.83-66,604.74

Finding the Fourth Proportional to 123,193.37, 170,006.83 and 66,604.74

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Solution

The fourth proportional to 123,193.37, 170,006.83 and 66,604.74 is: 91,914.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,193.37 : 170,006.83 = 66,604.74 : x
  2. Step 2: Convert to fraction form
    123,193.37/170,006.83 = 66,604.74/x
  3. Step 3: Cross multiply
    123,193.37x = 170,006.83 × 66,604.74
  4. Step 4: Simplify right side
    123,193.37x = 11,323,260,377.35
  5. Step 5: Solve for x
    x = 11,323,260,377.35/123,193.37
  6. Step 6: Final answer
    x = 91,914.53

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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.