Home / 147,147.10-220,668.72-47,273.56

Finding the Fourth Proportional to 147,147.10, 220,668.72 and 47,273.56

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Solution

The fourth proportional to 147,147.10, 220,668.72 and 47,273.56 is: 70,893.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,147.10 : 220,668.72 = 47,273.56 : x
  2. Step 2: Convert to fraction form
    147,147.10/220,668.72 = 47,273.56/x
  3. Step 3: Cross multiply
    147,147.10x = 220,668.72 × 47,273.56
  4. Step 4: Simplify right side
    147,147.10x = 10,431,795,975.04
  5. Step 5: Solve for x
    x = 10,431,795,975.04/147,147.10
  6. Step 6: Final answer
    x = 70,893.66

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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.