Home / 141,003.41-194,583.65-77,340.75

Finding the Fourth Proportional to 141,003.41, 194,583.65 and 77,340.75

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Solution

The fourth proportional to 141,003.41, 194,583.65 and 77,340.75 is: 106,729.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,003.41 : 194,583.65 = 77,340.75 : x
  2. Step 2: Convert to fraction form
    141,003.41/194,583.65 = 77,340.75/x
  3. Step 3: Cross multiply
    141,003.41x = 194,583.65 × 77,340.75
  4. Step 4: Simplify right side
    141,003.41x = 15,049,245,428.74
  5. Step 5: Solve for x
    x = 15,049,245,428.74/141,003.41
  6. Step 6: Final answer
    x = 106,729.66

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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.