Home / 141,692.13-195,534.18-78,029.46

Finding the Fourth Proportional to 141,692.13, 195,534.18 and 78,029.46

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Solution

The fourth proportional to 141,692.13, 195,534.18 and 78,029.46 is: 107,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,692.13 : 195,534.18 = 78,029.46 : x
  2. Step 2: Convert to fraction form
    141,692.13/195,534.18 = 78,029.46/x
  3. Step 3: Cross multiply
    141,692.13x = 195,534.18 × 78,029.46
  4. Step 4: Simplify right side
    141,692.13x = 15,257,426,476.94
  5. Step 5: Solve for x
    x = 15,257,426,476.94/141,692.13
  6. Step 6: Final answer
    x = 107,680.13

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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.