Home / 231,117.46-319,040.32-140,502.37

Finding the Fourth Proportional to 231,117.46, 319,040.32 and 140,502.37

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Solution

The fourth proportional to 231,117.46, 319,040.32 and 140,502.37 is: 193,952.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,117.46 : 319,040.32 = 140,502.37 : x
  2. Step 2: Convert to fraction form
    231,117.46/319,040.32 = 140,502.37/x
  3. Step 3: Cross multiply
    231,117.46x = 319,040.32 × 140,502.37
  4. Step 4: Simplify right side
    231,117.46x = 44,825,921,085.56
  5. Step 5: Solve for x
    x = 44,825,921,085.56/231,117.46
  6. Step 6: Final answer
    x = 193,952.98

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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.