Home / 141,634.56-195,457.41-77,976.66

Finding the Fourth Proportional to 141,634.56, 195,457.41 and 77,976.66

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Solution

The fourth proportional to 141,634.56, 195,457.41 and 77,976.66 is: 107,608.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,634.56 : 195,457.41 = 77,976.66 : x
  2. Step 2: Convert to fraction form
    141,634.56/195,457.41 = 77,976.66/x
  3. Step 3: Cross multiply
    141,634.56x = 195,457.41 × 77,976.66
  4. Step 4: Simplify right side
    141,634.56x = 15,241,116,004.05
  5. Step 5: Solve for x
    x = 15,241,116,004.05/141,634.56
  6. Step 6: Final answer
    x = 107,608.74

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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.