Home / 141,212.25-194,876.29-77,551.41

Finding the Fourth Proportional to 141,212.25, 194,876.29 and 77,551.41

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Solution

The fourth proportional to 141,212.25, 194,876.29 and 77,551.41 is: 107,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,212.25 : 194,876.29 = 77,551.41 : x
  2. Step 2: Convert to fraction form
    141,212.25/194,876.29 = 77,551.41/x
  3. Step 3: Cross multiply
    141,212.25x = 194,876.29 × 77,551.41
  4. Step 4: Simplify right side
    141,212.25x = 15,112,931,065.07
  5. Step 5: Solve for x
    x = 15,112,931,065.07/141,212.25
  6. Step 6: Final answer
    x = 107,022.80

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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.