Home / 286,177.61-394,845.08-178,856.66

Finding the Fourth Proportional to 286,177.61, 394,845.08 and 178,856.66

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Solution

The fourth proportional to 286,177.61, 394,845.08 and 178,856.66 is: 246,772.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,177.61 : 394,845.08 = 178,856.66 : x
  2. Step 2: Convert to fraction form
    286,177.61/394,845.08 = 178,856.66/x
  3. Step 3: Cross multiply
    286,177.61x = 394,845.08 × 178,856.66
  4. Step 4: Simplify right side
    286,177.61x = 70,620,669,357.72
  5. Step 5: Solve for x
    x = 70,620,669,357.72/286,177.61
  6. Step 6: Final answer
    x = 246,772.17

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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.