Home / 167,345.72-230,937.37-90,864.97

Finding the Fourth Proportional to 167,345.72, 230,937.37 and 90,864.97

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Solution

The fourth proportional to 167,345.72, 230,937.37 and 90,864.97 is: 125,393.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,345.72 : 230,937.37 = 90,864.97 : x
  2. Step 2: Convert to fraction form
    167,345.72/230,937.37 = 90,864.97/x
  3. Step 3: Cross multiply
    167,345.72x = 230,937.37 × 90,864.97
  4. Step 4: Simplify right side
    167,345.72x = 20,984,116,042.24
  5. Step 5: Solve for x
    x = 20,984,116,042.24/167,345.72
  6. Step 6: Final answer
    x = 125,393.80

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1.5x scale

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.