Home / 141,295.41-194,983.20-77,629.14

Finding the Fourth Proportional to 141,295.41, 194,983.20 and 77,629.14

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Solution

The fourth proportional to 141,295.41, 194,983.20 and 77,629.14 is: 107,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,295.41 : 194,983.20 = 77,629.14 : x
  2. Step 2: Convert to fraction form
    141,295.41/194,983.20 = 77,629.14/x
  3. Step 3: Cross multiply
    141,295.41x = 194,983.20 × 77,629.14
  4. Step 4: Simplify right side
    141,295.41x = 15,136,378,130.45
  5. Step 5: Solve for x
    x = 15,136,378,130.45/141,295.41
  6. Step 6: Final answer
    x = 107,125.76

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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.