Home / 286,514.80-395,392.77-179,147.07

Finding the Fourth Proportional to 286,514.80, 395,392.77 and 179,147.07

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Solution

The fourth proportional to 286,514.80, 395,392.77 and 179,147.07 is: 247,224.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,514.80 : 395,392.77 = 179,147.07 : x
  2. Step 2: Convert to fraction form
    286,514.80/395,392.77 = 179,147.07/x
  3. Step 3: Cross multiply
    286,514.80x = 395,392.77 × 179,147.07
  4. Step 4: Simplify right side
    286,514.80x = 70,833,457,697.72
  5. Step 5: Solve for x
    x = 70,833,457,697.72/286,514.80
  6. Step 6: Final answer
    x = 247,224.43

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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.