Home / 147,536.20-221,250.30-47,722.60

Finding the Fourth Proportional to 147,536.20, 221,250.30 and 47,722.60

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Solution

The fourth proportional to 147,536.20, 221,250.30 and 47,722.60 is: 71,566.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,536.20 : 221,250.30 = 47,722.60 : x
  2. Step 2: Convert to fraction form
    147,536.20/221,250.30 = 47,722.60/x
  3. Step 3: Cross multiply
    147,536.20x = 221,250.30 × 47,722.60
  4. Step 4: Simplify right side
    147,536.20x = 10,558,639,566.78
  5. Step 5: Solve for x
    x = 10,558,639,566.78/147,536.20
  6. Step 6: Final answer
    x = 71,566.43

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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.