Home / 118,658.16-177,982.56-43,745.92

Finding the Fourth Proportional to 118,658.16, 177,982.56 and 43,745.92

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Solution

The fourth proportional to 118,658.16, 177,982.56 and 43,745.92 is: 65,617.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,658.16 : 177,982.56 = 43,745.92 : x
  2. Step 2: Convert to fraction form
    118,658.16/177,982.56 = 43,745.92/x
  3. Step 3: Cross multiply
    118,658.16x = 177,982.56 × 43,745.92
  4. Step 4: Simplify right side
    118,658.16x = 7,786,010,831.16
  5. Step 5: Solve for x
    x = 7,786,010,831.16/118,658.16
  6. Step 6: Final answer
    x = 65,617.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.