Home / 141,806.97-195,692.85-77,276.16

Finding the Fourth Proportional to 141,806.97, 195,692.85 and 77,276.16

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Solution

The fourth proportional to 141,806.97, 195,692.85 and 77,276.16 is: 106,640.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,806.97 : 195,692.85 = 77,276.16 : x
  2. Step 2: Convert to fraction form
    141,806.97/195,692.85 = 77,276.16/x
  3. Step 3: Cross multiply
    141,806.97x = 195,692.85 × 77,276.16
  4. Step 4: Simplify right side
    141,806.97x = 15,122,391,987.46
  5. Step 5: Solve for x
    x = 15,122,391,987.46/141,806.97
  6. Step 6: Final answer
    x = 106,640.68

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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.