Home / 200,881.18-277,147.37-114,778.38

Finding the Fourth Proportional to 200,881.18, 277,147.37 and 114,778.38

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Solution

The fourth proportional to 200,881.18, 277,147.37 and 114,778.38 is: 158,354.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,881.18 : 277,147.37 = 114,778.38 : x
  2. Step 2: Convert to fraction form
    200,881.18/277,147.37 = 114,778.38/x
  3. Step 3: Cross multiply
    200,881.18x = 277,147.37 × 114,778.38
  4. Step 4: Simplify right side
    200,881.18x = 31,810,526,149.86
  5. Step 5: Solve for x
    x = 31,810,526,149.86/200,881.18
  6. Step 6: Final answer
    x = 158,354.93

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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.