Home / 141,324.67-195,020.83-77,650.17

Finding the Fourth Proportional to 141,324.67, 195,020.83 and 77,650.17

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Solution

The fourth proportional to 141,324.67, 195,020.83 and 77,650.17 is: 107,153.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,324.67 : 195,020.83 = 77,650.17 : x
  2. Step 2: Convert to fraction form
    141,324.67/195,020.83 = 77,650.17/x
  3. Step 3: Cross multiply
    141,324.67x = 195,020.83 × 77,650.17
  4. Step 4: Simplify right side
    141,324.67x = 15,143,400,603.04
  5. Step 5: Solve for x
    x = 15,143,400,603.04/141,324.67
  6. Step 6: Final answer
    x = 107,153.27

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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.