Home / 286,091.45-394,807.74-158,767.15

Finding the Fourth Proportional to 286,091.45, 394,807.74 and 158,767.15

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Solution

The fourth proportional to 286,091.45, 394,807.74 and 158,767.15 is: 219,099.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,091.45 : 394,807.74 = 158,767.15 : x
  2. Step 2: Convert to fraction form
    286,091.45/394,807.74 = 158,767.15/x
  3. Step 3: Cross multiply
    286,091.45x = 394,807.74 × 158,767.15
  4. Step 4: Simplify right side
    286,091.45x = 62,682,499,677.74
  5. Step 5: Solve for x
    x = 62,682,499,677.74/286,091.45
  6. Step 6: Final answer
    x = 219,099.52

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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.