Home / 171,108.25-256,531.15-104,579.71

Finding the Fourth Proportional to 171,108.25, 256,531.15 and 104,579.71

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Solution

The fourth proportional to 171,108.25, 256,531.15 and 104,579.71 is: 156,789.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,108.25 : 256,531.15 = 104,579.71 : x
  2. Step 2: Convert to fraction form
    171,108.25/256,531.15 = 104,579.71/x
  3. Step 3: Cross multiply
    171,108.25x = 256,531.15 × 104,579.71
  4. Step 4: Simplify right side
    171,108.25x = 26,827,952,762.36
  5. Step 5: Solve for x
    x = 26,827,952,762.36/171,108.25
  6. Step 6: Final answer
    x = 156,789.36

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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.