Home / 285,600.60-394,465.14-189,936.36

Finding the Fourth Proportional to 285,600.60, 394,465.14 and 189,936.36

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Solution

The fourth proportional to 285,600.60, 394,465.14 and 189,936.36 is: 262,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,600.60 : 394,465.14 = 189,936.36 : x
  2. Step 2: Convert to fraction form
    285,600.60/394,465.14 = 189,936.36/x
  3. Step 3: Cross multiply
    285,600.60x = 394,465.14 × 189,936.36
  4. Step 4: Simplify right side
    285,600.60x = 74,923,272,838.49
  5. Step 5: Solve for x
    x = 74,923,272,838.49/285,600.60
  6. Step 6: Final answer
    x = 262,335.84

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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.