Home / 286,753.91-395,676.06-165,906.45

Finding the Fourth Proportional to 286,753.91, 395,676.06 and 165,906.45

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Solution

The fourth proportional to 286,753.91, 395,676.06 and 165,906.45 is: 228,925.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,753.91 : 395,676.06 = 165,906.45 : x
  2. Step 2: Convert to fraction form
    286,753.91/395,676.06 = 165,906.45/x
  3. Step 3: Cross multiply
    286,753.91x = 395,676.06 × 165,906.45
  4. Step 4: Simplify right side
    286,753.91x = 65,645,210,464.59
  5. Step 5: Solve for x
    x = 65,645,210,464.59/286,753.91
  6. Step 6: Final answer
    x = 228,925.25

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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.