Home / 168,358.66-232,336.30-91,878.36

Finding the Fourth Proportional to 168,358.66, 232,336.30 and 91,878.36

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Solution

The fourth proportional to 168,358.66, 232,336.30 and 91,878.36 is: 126,792.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,358.66 : 232,336.30 = 91,878.36 : x
  2. Step 2: Convert to fraction form
    168,358.66/232,336.30 = 91,878.36/x
  3. Step 3: Cross multiply
    168,358.66x = 232,336.30 × 91,878.36
  4. Step 4: Simplify right side
    168,358.66x = 21,346,678,212.47
  5. Step 5: Solve for x
    x = 21,346,678,212.47/168,358.66
  6. Step 6: Final answer
    x = 126,792.87

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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.