Home / 123,382.17-170,267.94-66,793.54

Finding the Fourth Proportional to 123,382.17, 170,267.94 and 66,793.54

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Solution

The fourth proportional to 123,382.17, 170,267.94 and 66,793.54 is: 92,175.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,382.17 : 170,267.94 = 66,793.54 : x
  2. Step 2: Convert to fraction form
    123,382.17/170,267.94 = 66,793.54/x
  3. Step 3: Cross multiply
    123,382.17x = 170,267.94 × 66,793.54
  4. Step 4: Simplify right side
    123,382.17x = 11,372,798,461.11
  5. Step 5: Solve for x
    x = 11,372,798,461.11/123,382.17
  6. Step 6: Final answer
    x = 92,175.38

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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.