Home / 123,895.80-185,850.75-35,142.29

Finding the Fourth Proportional to 123,895.80, 185,850.75 and 35,142.29

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Solution

The fourth proportional to 123,895.80, 185,850.75 and 35,142.29 is: 52,715.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,895.80 : 185,850.75 = 35,142.29 : x
  2. Step 2: Convert to fraction form
    123,895.80/185,850.75 = 35,142.29/x
  3. Step 3: Cross multiply
    123,895.80x = 185,850.75 × 35,142.29
  4. Step 4: Simplify right side
    123,895.80x = 6,531,220,953.22
  5. Step 5: Solve for x
    x = 6,531,220,953.22/123,895.80
  6. Step 6: Final answer
    x = 52,715.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.