Home / 286,344.17-395,352.66-178,962.47

Finding the Fourth Proportional to 286,344.17, 395,352.66 and 178,962.47

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Solution

The fourth proportional to 286,344.17, 395,352.66 and 178,962.47 is: 247,091.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,344.17 : 395,352.66 = 178,962.47 : x
  2. Step 2: Convert to fraction form
    286,344.17/395,352.66 = 178,962.47/x
  3. Step 3: Cross multiply
    286,344.17x = 395,352.66 × 178,962.47
  4. Step 4: Simplify right side
    286,344.17x = 70,753,286,577.91
  5. Step 5: Solve for x
    x = 70,753,286,577.91/286,344.17
  6. Step 6: Final answer
    x = 247,091.77

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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.