Home / 192,749.49-289,089.41-52,475.31

Finding the Fourth Proportional to 192,749.49, 289,089.41 and 52,475.31

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Solution

The fourth proportional to 192,749.49, 289,089.41 and 52,475.31 is: 78,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,749.49 : 289,089.41 = 52,475.31 : x
  2. Step 2: Convert to fraction form
    192,749.49/289,089.41 = 52,475.31/x
  3. Step 3: Cross multiply
    192,749.49x = 289,089.41 × 52,475.31
  4. Step 4: Simplify right side
    192,749.49x = 15,170,056,145.09
  5. Step 5: Solve for x
    x = 15,170,056,145.09/192,749.49
  6. Step 6: Final answer
    x = 78,703.48

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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.