Home / 141,099.30-194,716.49-76,568.81

Finding the Fourth Proportional to 141,099.30, 194,716.49 and 76,568.81

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Solution

The fourth proportional to 141,099.30, 194,716.49 and 76,568.81 is: 105,664.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,099.30 : 194,716.49 = 76,568.81 : x
  2. Step 2: Convert to fraction form
    141,099.30/194,716.49 = 76,568.81/x
  3. Step 3: Cross multiply
    141,099.30x = 194,716.49 × 76,568.81
  4. Step 4: Simplify right side
    141,099.30x = 14,909,208,570.25
  5. Step 5: Solve for x
    x = 14,909,208,570.25/141,099.30
  6. Step 6: Final answer
    x = 105,664.65

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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.