Home / 240,725.48-332,238.66-137,359.88

Finding the Fourth Proportional to 240,725.48, 332,238.66 and 137,359.88

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Solution

The fourth proportional to 240,725.48, 332,238.66 and 137,359.88 is: 189,578.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,725.48 : 332,238.66 = 137,359.88 : x
  2. Step 2: Convert to fraction form
    240,725.48/332,238.66 = 137,359.88/x
  3. Step 3: Cross multiply
    240,725.48x = 332,238.66 × 137,359.88
  4. Step 4: Simplify right side
    240,725.48x = 45,636,262,468.96
  5. Step 5: Solve for x
    x = 45,636,262,468.96/240,725.48
  6. Step 6: Final answer
    x = 189,578.03

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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.