Home / 414,180.84-621,238.44-147,913.59

Finding the Fourth Proportional to 414,180.84, 621,238.44 and 147,913.59

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Solution

The fourth proportional to 414,180.84, 621,238.44 and 147,913.59 is: 221,858.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,180.84 : 621,238.44 = 147,913.59 : x
  2. Step 2: Convert to fraction form
    414,180.84/621,238.44 = 147,913.59/x
  3. Step 3: Cross multiply
    414,180.84x = 621,238.44 × 147,913.59
  4. Step 4: Simplify right side
    414,180.84x = 91,889,607,906.40
  5. Step 5: Solve for x
    x = 91,889,607,906.40/414,180.84
  6. Step 6: Final answer
    x = 221,858.66

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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.