Home / 141,215.25-194,880.43-77,554.41

Finding the Fourth Proportional to 141,215.25, 194,880.43 and 77,554.41

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Solution

The fourth proportional to 141,215.25, 194,880.43 and 77,554.41 is: 107,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,215.25 : 194,880.43 = 77,554.41 : x
  2. Step 2: Convert to fraction form
    141,215.25/194,880.43 = 77,554.41/x
  3. Step 3: Cross multiply
    141,215.25x = 194,880.43 × 77,554.41
  4. Step 4: Simplify right side
    141,215.25x = 15,113,836,769.20
  5. Step 5: Solve for x
    x = 15,113,836,769.20/141,215.25
  6. Step 6: Final answer
    x = 107,026.94

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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.