Home / 147,660.60-221,523.30-47,803.80

Finding the Fourth Proportional to 147,660.60, 221,523.30 and 47,803.80

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Solution

The fourth proportional to 147,660.60, 221,523.30 and 47,803.80 is: 71,716.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,660.60 : 221,523.30 = 47,803.80 : x
  2. Step 2: Convert to fraction form
    147,660.60/221,523.30 = 47,803.80/x
  3. Step 3: Cross multiply
    147,660.60x = 221,523.30 × 47,803.80
  4. Step 4: Simplify right side
    147,660.60x = 10,589,655,528.54
  5. Step 5: Solve for x
    x = 10,589,655,528.54/147,660.60
  6. Step 6: Final answer
    x = 71,716.19

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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.