Home / 171,976.47-257,869.98-92,108.04

Finding the Fourth Proportional to 171,976.47, 257,869.98 and 92,108.04

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Solution

The fourth proportional to 171,976.47, 257,869.98 and 92,108.04 is: 138,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,976.47 : 257,869.98 = 92,108.04 : x
  2. Step 2: Convert to fraction form
    171,976.47/257,869.98 = 92,108.04/x
  3. Step 3: Cross multiply
    171,976.47x = 257,869.98 × 92,108.04
  4. Step 4: Simplify right side
    171,976.47x = 23,751,898,432.64
  5. Step 5: Solve for x
    x = 23,751,898,432.64/171,976.47
  6. Step 6: Final answer
    x = 138,111.33

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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.