Home / 165,709.38-228,688.72-124,801.34

Finding the Fourth Proportional to 165,709.38, 228,688.72 and 124,801.34

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Solution

The fourth proportional to 165,709.38, 228,688.72 and 124,801.34 is: 172,233.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,709.38 : 228,688.72 = 124,801.34 : x
  2. Step 2: Convert to fraction form
    165,709.38/228,688.72 = 124,801.34/x
  3. Step 3: Cross multiply
    165,709.38x = 228,688.72 × 124,801.34
  4. Step 4: Simplify right side
    165,709.38x = 28,540,658,698.88
  5. Step 5: Solve for x
    x = 28,540,658,698.88/165,709.38
  6. Step 6: Final answer
    x = 172,233.21

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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.