Home / 286,182.29-394,933.08-178,814.57

Finding the Fourth Proportional to 286,182.29, 394,933.08 and 178,814.57

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Solution

The fourth proportional to 286,182.29, 394,933.08 and 178,814.57 is: 246,765.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,182.29 : 394,933.08 = 178,814.57 : x
  2. Step 2: Convert to fraction form
    286,182.29/394,933.08 = 178,814.57/x
  3. Step 3: Cross multiply
    286,182.29x = 394,933.08 × 178,814.57
  4. Step 4: Simplify right side
    286,182.29x = 70,619,788,878.98
  5. Step 5: Solve for x
    x = 70,619,788,878.98/286,182.29
  6. Step 6: Final answer
    x = 246,765.06

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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.