Home / 231,345.14-319,162.34-150,743.25

Finding the Fourth Proportional to 231,345.14, 319,162.34 and 150,743.25

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Solution

The fourth proportional to 231,345.14, 319,162.34 and 150,743.25 is: 207,964.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,345.14 : 319,162.34 = 150,743.25 : x
  2. Step 2: Convert to fraction form
    231,345.14/319,162.34 = 150,743.25/x
  3. Step 3: Cross multiply
    231,345.14x = 319,162.34 × 150,743.25
  4. Step 4: Simplify right side
    231,345.14x = 48,111,567,655.49
  5. Step 5: Solve for x
    x = 48,111,567,655.49/231,345.14
  6. Step 6: Final answer
    x = 207,964.47

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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.