Home / 112,580.52-155,335.68-67,249.63

Finding the Fourth Proportional to 112,580.52, 155,335.68 and 67,249.63

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Solution

The fourth proportional to 112,580.52, 155,335.68 and 67,249.63 is: 92,789.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,580.52 : 155,335.68 = 67,249.63 : x
  2. Step 2: Convert to fraction form
    112,580.52/155,335.68 = 67,249.63/x
  3. Step 3: Cross multiply
    112,580.52x = 155,335.68 × 67,249.63
  4. Step 4: Simplify right side
    112,580.52x = 10,446,267,199.97
  5. Step 5: Solve for x
    x = 10,446,267,199.97/112,580.52
  6. Step 6: Final answer
    x = 92,789.29

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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.