Home / 286,087.36-394,793.04-158,759.68

Finding the Fourth Proportional to 286,087.36, 394,793.04 and 158,759.68

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Solution

The fourth proportional to 286,087.36, 394,793.04 and 158,759.68 is: 219,084.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,087.36 : 394,793.04 = 158,759.68 : x
  2. Step 2: Convert to fraction form
    286,087.36/394,793.04 = 158,759.68/x
  3. Step 3: Cross multiply
    286,087.36x = 394,793.04 × 158,759.68
  4. Step 4: Simplify right side
    286,087.36x = 62,677,216,696.63
  5. Step 5: Solve for x
    x = 62,677,216,696.63/286,087.36
  6. Step 6: Final answer
    x = 219,084.19

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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.