Home / 174,643.72-261,982.38-69,439.24

Finding the Fourth Proportional to 174,643.72, 261,982.38 and 69,439.24

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Solution

The fourth proportional to 174,643.72, 261,982.38 and 69,439.24 is: 104,165.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,643.72 : 261,982.38 = 69,439.24 : x
  2. Step 2: Convert to fraction form
    174,643.72/261,982.38 = 69,439.24/x
  3. Step 3: Cross multiply
    174,643.72x = 261,982.38 × 69,439.24
  4. Step 4: Simplify right side
    174,643.72x = 18,191,857,360.59
  5. Step 5: Solve for x
    x = 18,191,857,360.59/174,643.72
  6. Step 6: Final answer
    x = 104,165.54

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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.