Home / 286,034.22-394,725.96-158,709.51

Finding the Fourth Proportional to 286,034.22, 394,725.96 and 158,709.51

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Solution

The fourth proportional to 286,034.22, 394,725.96 and 158,709.51 is: 219,018.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,034.22 : 394,725.96 = 158,709.51 : x
  2. Step 2: Convert to fraction form
    286,034.22/394,725.96 = 158,709.51/x
  3. Step 3: Cross multiply
    286,034.22x = 394,725.96 × 158,709.51
  4. Step 4: Simplify right side
    286,034.22x = 62,646,763,695.88
  5. Step 5: Solve for x
    x = 62,646,763,695.88/286,034.22
  6. Step 6: Final answer
    x = 219,018.42

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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.