Home / 286,033.14-394,725.72-158,709.66

Finding the Fourth Proportional to 286,033.14, 394,725.72 and 158,709.66

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Solution

The fourth proportional to 286,033.14, 394,725.72 and 158,709.66 is: 219,019.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,033.14 : 394,725.72 = 158,709.66 : x
  2. Step 2: Convert to fraction form
    286,033.14/394,725.72 = 158,709.66/x
  3. Step 3: Cross multiply
    286,033.14x = 394,725.72 × 158,709.66
  4. Step 4: Simplify right side
    286,033.14x = 62,646,784,814.46
  5. Step 5: Solve for x
    x = 62,646,784,814.46/286,033.14
  6. Step 6: Final answer
    x = 219,019.32

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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.