Home / 141,172.05-194,817.75-77,513.94

Finding the Fourth Proportional to 141,172.05, 194,817.75 and 77,513.94

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Solution

The fourth proportional to 141,172.05, 194,817.75 and 77,513.94 is: 106,969.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,172.05 : 194,817.75 = 77,513.94 : x
  2. Step 2: Convert to fraction form
    141,172.05/194,817.75 = 77,513.94/x
  3. Step 3: Cross multiply
    141,172.05x = 194,817.75 × 77,513.94
  4. Step 4: Simplify right side
    141,172.05x = 15,101,091,384.44
  5. Step 5: Solve for x
    x = 15,101,091,384.44/141,172.05
  6. Step 6: Final answer
    x = 106,969.41

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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.