Home / 147,784.70-221,709.49-47,954.97

Finding the Fourth Proportional to 147,784.70, 221,709.49 and 47,954.97

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Solution

The fourth proportional to 147,784.70, 221,709.49 and 47,954.97 is: 71,942.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,784.70 : 221,709.49 = 47,954.97 : x
  2. Step 2: Convert to fraction form
    147,784.70/221,709.49 = 47,954.97/x
  3. Step 3: Cross multiply
    147,784.70x = 221,709.49 × 47,954.97
  4. Step 4: Simplify right side
    147,784.70x = 10,632,071,821.78
  5. Step 5: Solve for x
    x = 10,632,071,821.78/147,784.70
  6. Step 6: Final answer
    x = 71,942.98

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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.