Home / 141,171.06-194,816.44-77,512.98

Finding the Fourth Proportional to 141,171.06, 194,816.44 and 77,512.98

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Solution

The fourth proportional to 141,171.06, 194,816.44 and 77,512.98 is: 106,968.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,171.06 : 194,816.44 = 77,512.98 : x
  2. Step 2: Convert to fraction form
    141,171.06/194,816.44 = 77,512.98/x
  3. Step 3: Cross multiply
    141,171.06x = 194,816.44 × 77,512.98
  4. Step 4: Simplify right side
    141,171.06x = 15,100,802,817.39
  5. Step 5: Solve for x
    x = 15,100,802,817.39/141,171.06
  6. Step 6: Final answer
    x = 106,968.12

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1.5x scale

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.