Home / 123,260.10-170,098.92-66,671.48

Finding the Fourth Proportional to 123,260.10, 170,098.92 and 66,671.48

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Solution

The fourth proportional to 123,260.10, 170,098.92 and 66,671.48 is: 92,006.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,260.10 : 170,098.92 = 66,671.48 : x
  2. Step 2: Convert to fraction form
    123,260.10/170,098.92 = 66,671.48/x
  3. Step 3: Cross multiply
    123,260.10x = 170,098.92 × 66,671.48
  4. Step 4: Simplify right side
    123,260.10x = 11,340,745,892.31
  5. Step 5: Solve for x
    x = 11,340,745,892.31/123,260.10
  6. Step 6: Final answer
    x = 92,006.63

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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.