Home / 147,608.20-221,358.30-47,794.60

Finding the Fourth Proportional to 147,608.20, 221,358.30 and 47,794.60

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Solution

The fourth proportional to 147,608.20, 221,358.30 and 47,794.60 is: 71,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,608.20 : 221,358.30 = 47,794.60 : x
  2. Step 2: Convert to fraction form
    147,608.20/221,358.30 = 47,794.60/x
  3. Step 3: Cross multiply
    147,608.20x = 221,358.30 × 47,794.60
  4. Step 4: Simplify right side
    147,608.20x = 10,579,731,405.18
  5. Step 5: Solve for x
    x = 10,579,731,405.18/147,608.20
  6. Step 6: Final answer
    x = 71,674.42

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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.