Home / 232,393.05-320,765.27-136,929.69

Finding the Fourth Proportional to 232,393.05, 320,765.27 and 136,929.69

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Solution

The fourth proportional to 232,393.05, 320,765.27 and 136,929.69 is: 189,000.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,393.05 : 320,765.27 = 136,929.69 : x
  2. Step 2: Convert to fraction form
    232,393.05/320,765.27 = 136,929.69/x
  3. Step 3: Cross multiply
    232,393.05x = 320,765.27 × 136,929.69
  4. Step 4: Simplify right side
    232,393.05x = 43,922,288,299.22
  5. Step 5: Solve for x
    x = 43,922,288,299.22/232,393.05
  6. Step 6: Final answer
    x = 189,000.01

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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.