Home / 167,345.22-230,936.68-90,864.47

Finding the Fourth Proportional to 167,345.22, 230,936.68 and 90,864.47

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Solution

The fourth proportional to 167,345.22, 230,936.68 and 90,864.47 is: 125,393.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,345.22 : 230,936.68 = 90,864.47 : x
  2. Step 2: Convert to fraction form
    167,345.22/230,936.68 = 90,864.47/x
  3. Step 3: Cross multiply
    167,345.22x = 230,936.68 × 90,864.47
  4. Step 4: Simplify right side
    167,345.22x = 20,983,937,990.66
  5. Step 5: Solve for x
    x = 20,983,937,990.66/167,345.22
  6. Step 6: Final answer
    x = 125,393.11

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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.