Home / 118,565.38-163,650.60-82,269.36

Finding the Fourth Proportional to 118,565.38, 163,650.60 and 82,269.36

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Solution

The fourth proportional to 118,565.38, 163,650.60 and 82,269.36 is: 113,552.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,565.38 : 163,650.60 = 82,269.36 : x
  2. Step 2: Convert to fraction form
    118,565.38/163,650.60 = 82,269.36/x
  3. Step 3: Cross multiply
    118,565.38x = 163,650.60 × 82,269.36
  4. Step 4: Simplify right side
    118,565.38x = 13,463,430,125.62
  5. Step 5: Solve for x
    x = 13,463,430,125.62/118,565.38
  6. Step 6: Final answer
    x = 113,552.79

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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.