Home / 172,924.20-238,661.64-125,160.12

Finding the Fourth Proportional to 172,924.20, 238,661.64 and 125,160.12

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Solution

The fourth proportional to 172,924.20, 238,661.64 and 125,160.12 is: 172,739.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,924.20 : 238,661.64 = 125,160.12 : x
  2. Step 2: Convert to fraction form
    172,924.20/238,661.64 = 125,160.12/x
  3. Step 3: Cross multiply
    172,924.20x = 238,661.64 × 125,160.12
  4. Step 4: Simplify right side
    172,924.20x = 29,870,919,501.80
  5. Step 5: Solve for x
    x = 29,870,919,501.80/172,924.20
  6. Step 6: Final answer
    x = 172,739.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.