Home / 173,108.08-258,979.02-131,109.52

Finding the Fourth Proportional to 173,108.08, 258,979.02 and 131,109.52

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Solution

The fourth proportional to 173,108.08, 258,979.02 and 131,109.52 is: 196,146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,108.08 : 258,979.02 = 131,109.52 : x
  2. Step 2: Convert to fraction form
    173,108.08/258,979.02 = 131,109.52/x
  3. Step 3: Cross multiply
    173,108.08x = 258,979.02 × 131,109.52
  4. Step 4: Simplify right side
    173,108.08x = 33,954,615,002.27
  5. Step 5: Solve for x
    x = 33,954,615,002.27/173,108.08
  6. Step 6: Final answer
    x = 196,146.91

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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.