Home / 286,140.01-394,891.89-165,286.39

Finding the Fourth Proportional to 286,140.01, 394,891.89 and 165,286.39

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Solution

The fourth proportional to 286,140.01, 394,891.89 and 165,286.39 is: 228,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,140.01 : 394,891.89 = 165,286.39 : x
  2. Step 2: Convert to fraction form
    286,140.01/394,891.89 = 165,286.39/x
  3. Step 3: Cross multiply
    286,140.01x = 394,891.89 × 165,286.39
  4. Step 4: Simplify right side
    286,140.01x = 65,270,255,001.48
  5. Step 5: Solve for x
    x = 65,270,255,001.48/286,140.01
  6. Step 6: Final answer
    x = 228,106.01

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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.