Home / 286,175.03-394,923.06-178,807.32

Finding the Fourth Proportional to 286,175.03, 394,923.06 and 178,807.32

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Solution

The fourth proportional to 286,175.03, 394,923.06 and 178,807.32 is: 246,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,175.03 : 394,923.06 = 178,807.32 : x
  2. Step 2: Convert to fraction form
    286,175.03/394,923.06 = 178,807.32/x
  3. Step 3: Cross multiply
    286,175.03x = 394,923.06 × 178,807.32
  4. Step 4: Simplify right side
    286,175.03x = 70,615,133,964.80
  5. Step 5: Solve for x
    x = 70,615,133,964.80/286,175.03
  6. Step 6: Final answer
    x = 246,755.05

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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.