Home / 286,177.32-394,926.21-178,809.57

Finding the Fourth Proportional to 286,177.32, 394,926.21 and 178,809.57

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Solution

The fourth proportional to 286,177.32, 394,926.21 and 178,809.57 is: 246,758.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,177.32 : 394,926.21 = 178,809.57 : x
  2. Step 2: Convert to fraction form
    286,177.32/394,926.21 = 178,809.57/x
  3. Step 3: Cross multiply
    286,177.32x = 394,926.21 × 178,809.57
  4. Step 4: Simplify right side
    286,177.32x = 70,616,585,791.83
  5. Step 5: Solve for x
    x = 70,616,585,791.83/286,177.32
  6. Step 6: Final answer
    x = 246,758.15

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1.5x scale

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.