Home / 286,555.86-395,324.45-178,939.06

Finding the Fourth Proportional to 286,555.86, 395,324.45 and 178,939.06

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Solution

The fourth proportional to 286,555.86, 395,324.45 and 178,939.06 is: 246,859.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,555.86 : 395,324.45 = 178,939.06 : x
  2. Step 2: Convert to fraction form
    286,555.86/395,324.45 = 178,939.06/x
  3. Step 3: Cross multiply
    286,555.86x = 395,324.45 × 178,939.06
  4. Step 4: Simplify right side
    286,555.86x = 70,738,984,042.36
  5. Step 5: Solve for x
    x = 70,738,984,042.36/286,555.86
  6. Step 6: Final answer
    x = 246,859.32

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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.