Home / 112,657.45-155,456.64-67,326.41

Finding the Fourth Proportional to 112,657.45, 155,456.64 and 67,326.41

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Solution

The fourth proportional to 112,657.45, 155,456.64 and 67,326.41 is: 92,904.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,657.45 : 155,456.64 = 67,326.41 : x
  2. Step 2: Convert to fraction form
    112,657.45/155,456.64 = 67,326.41/x
  3. Step 3: Cross multiply
    112,657.45x = 155,456.64 × 67,326.41
  4. Step 4: Simplify right side
    112,657.45x = 10,466,337,481.86
  5. Step 5: Solve for x
    x = 10,466,337,481.86/112,657.45
  6. Step 6: Final answer
    x = 92,904.09

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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.