Home / 192,087.16-287,897.46-135,943.68

Finding the Fourth Proportional to 192,087.16, 287,897.46 and 135,943.68

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Solution

The fourth proportional to 192,087.16, 287,897.46 and 135,943.68 is: 203,750.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,087.16 : 287,897.46 = 135,943.68 : x
  2. Step 2: Convert to fraction form
    192,087.16/287,897.46 = 135,943.68/x
  3. Step 3: Cross multiply
    192,087.16x = 287,897.46 × 135,943.68
  4. Step 4: Simplify right side
    192,087.16x = 39,137,840,744.88
  5. Step 5: Solve for x
    x = 39,137,840,744.88/192,087.16
  6. Step 6: Final answer
    x = 203,750.43

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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.