Home / 118,854.79-178,340.28-52,286.61

Finding the Fourth Proportional to 118,854.79, 178,340.28 and 52,286.61

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Solution

The fourth proportional to 118,854.79, 178,340.28 and 52,286.61 is: 78,455.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,854.79 : 178,340.28 = 52,286.61 : x
  2. Step 2: Convert to fraction form
    118,854.79/178,340.28 = 52,286.61/x
  3. Step 3: Cross multiply
    118,854.79x = 178,340.28 × 52,286.61
  4. Step 4: Simplify right side
    118,854.79x = 9,324,809,434.46
  5. Step 5: Solve for x
    x = 9,324,809,434.46/118,854.79
  6. Step 6: Final answer
    x = 78,455.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.