Home / 147,940.62-221,889.06-54,424.50

Finding the Fourth Proportional to 147,940.62, 221,889.06 and 54,424.50

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Solution

The fourth proportional to 147,940.62, 221,889.06 and 54,424.50 is: 81,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,940.62 : 221,889.06 = 54,424.50 : x
  2. Step 2: Convert to fraction form
    147,940.62/221,889.06 = 54,424.50/x
  3. Step 3: Cross multiply
    147,940.62x = 221,889.06 × 54,424.50
  4. Step 4: Simplify right side
    147,940.62x = 12,076,201,145.97
  5. Step 5: Solve for x
    x = 12,076,201,145.97/147,940.62
  6. Step 6: Final answer
    x = 81,628.70

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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.