Home / 141,911.35-195,634.17-111,644.11

Finding the Fourth Proportional to 141,911.35, 195,634.17 and 111,644.11

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Solution

The fourth proportional to 141,911.35, 195,634.17 and 111,644.11 is: 153,908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,911.35 : 195,634.17 = 111,644.11 : x
  2. Step 2: Convert to fraction form
    141,911.35/195,634.17 = 111,644.11/x
  3. Step 3: Cross multiply
    141,911.35x = 195,634.17 × 111,644.11
  4. Step 4: Simplify right side
    141,911.35x = 21,841,403,039.78
  5. Step 5: Solve for x
    x = 21,841,403,039.78/141,911.35
  6. Step 6: Final answer
    x = 153,908.78

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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.