Home / 240,724.48-332,237.28-137,358.88

Finding the Fourth Proportional to 240,724.48, 332,237.28 and 137,358.88

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Solution

The fourth proportional to 240,724.48, 332,237.28 and 137,358.88 is: 189,576.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,724.48 : 332,237.28 = 137,358.88 : x
  2. Step 2: Convert to fraction form
    240,724.48/332,237.28 = 137,358.88/x
  3. Step 3: Cross multiply
    240,724.48x = 332,237.28 × 137,358.88
  4. Step 4: Simplify right side
    240,724.48x = 45,635,740,675.05
  5. Step 5: Solve for x
    x = 45,635,740,675.05/240,724.48
  6. Step 6: Final answer
    x = 189,576.65

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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.