Home / 141,841.54-195,738.73-77,311.33

Finding the Fourth Proportional to 141,841.54, 195,738.73 and 77,311.33

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Solution

The fourth proportional to 141,841.54, 195,738.73 and 77,311.33 is: 106,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,841.54 : 195,738.73 = 77,311.33 : x
  2. Step 2: Convert to fraction form
    141,841.54/195,738.73 = 77,311.33/x
  3. Step 3: Cross multiply
    141,841.54x = 195,738.73 × 77,311.33
  4. Step 4: Simplify right side
    141,841.54x = 15,132,821,548.81
  5. Step 5: Solve for x
    x = 15,132,821,548.81/141,841.54
  6. Step 6: Final answer
    x = 106,688.22

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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.