Home / 126,286.61-174,275.89-68,926.46

Finding the Fourth Proportional to 126,286.61, 174,275.89 and 68,926.46

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Solution

The fourth proportional to 126,286.61, 174,275.89 and 68,926.46 is: 95,118.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,286.61 : 174,275.89 = 68,926.46 : x
  2. Step 2: Convert to fraction form
    126,286.61/174,275.89 = 68,926.46/x
  3. Step 3: Cross multiply
    126,286.61x = 174,275.89 × 68,926.46
  4. Step 4: Simplify right side
    126,286.61x = 12,012,219,289.67
  5. Step 5: Solve for x
    x = 12,012,219,289.67/126,286.61
  6. Step 6: Final answer
    x = 95,118.71

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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.