Home / 286,195.32-394,929.75-158,860.89

Finding the Fourth Proportional to 286,195.32, 394,929.75 and 158,860.89

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Solution

The fourth proportional to 286,195.32, 394,929.75 and 158,860.89 is: 219,217.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,195.32 : 394,929.75 = 158,860.89 : x
  2. Step 2: Convert to fraction form
    286,195.32/394,929.75 = 158,860.89/x
  3. Step 3: Cross multiply
    286,195.32x = 394,929.75 × 158,860.89
  4. Step 4: Simplify right side
    286,195.32x = 62,738,891,572.48
  5. Step 5: Solve for x
    x = 62,738,891,572.48/286,195.32
  6. Step 6: Final answer
    x = 219,217.04

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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.