Home / 141,713.64-195,563.60-78,050.08

Finding the Fourth Proportional to 141,713.64, 195,563.60 and 78,050.08

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Solution

The fourth proportional to 141,713.64, 195,563.60 and 78,050.08 is: 107,708.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,713.64 : 195,563.60 = 78,050.08 : x
  2. Step 2: Convert to fraction form
    141,713.64/195,563.60 = 78,050.08/x
  3. Step 3: Cross multiply
    141,713.64x = 195,563.60 × 78,050.08
  4. Step 4: Simplify right side
    141,713.64x = 15,263,754,625.09
  5. Step 5: Solve for x
    x = 15,263,754,625.09/141,713.64
  6. Step 6: Final answer
    x = 107,708.44

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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.