Home / 141,733.21-195,591.84-78,071.01

Finding the Fourth Proportional to 141,733.21, 195,591.84 and 78,071.01

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Solution

The fourth proportional to 141,733.21, 195,591.84 and 78,071.01 is: 107,738.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,733.21 : 195,591.84 = 78,071.01 : x
  2. Step 2: Convert to fraction form
    141,733.21/195,591.84 = 78,071.01/x
  3. Step 3: Cross multiply
    141,733.21x = 195,591.84 × 78,071.01
  4. Step 4: Simplify right side
    141,733.21x = 15,270,052,496.56
  5. Step 5: Solve for x
    x = 15,270,052,496.56/141,733.21
  6. Step 6: Final answer
    x = 107,738.00

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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.