Home / 144,966.40-217,439.82-39,776.56

Finding the Fourth Proportional to 144,966.40, 217,439.82 and 39,776.56

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Solution

The fourth proportional to 144,966.40, 217,439.82 and 39,776.56 is: 59,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,966.40 : 217,439.82 = 39,776.56 : x
  2. Step 2: Convert to fraction form
    144,966.40/217,439.82 = 39,776.56/x
  3. Step 3: Cross multiply
    144,966.40x = 217,439.82 × 39,776.56
  4. Step 4: Simplify right side
    144,966.40x = 8,649,008,046.62
  5. Step 5: Solve for x
    x = 8,649,008,046.62/144,966.40
  6. Step 6: Final answer
    x = 59,662.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.