Home / 231,332.08-319,220.73-140,675.44

Finding the Fourth Proportional to 231,332.08, 319,220.73 and 140,675.44

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Solution

The fourth proportional to 231,332.08, 319,220.73 and 140,675.44 is: 194,121.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,332.08 : 319,220.73 = 140,675.44 : x
  2. Step 2: Convert to fraction form
    231,332.08/319,220.73 = 140,675.44/x
  3. Step 3: Cross multiply
    231,332.08x = 319,220.73 × 140,675.44
  4. Step 4: Simplify right side
    231,332.08x = 44,906,516,649.87
  5. Step 5: Solve for x
    x = 44,906,516,649.87/231,332.08
  6. Step 6: Final answer
    x = 194,121.44

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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.