Home / 204,049.40-306,074.10-147,624.80

Finding the Fourth Proportional to 204,049.40, 306,074.10 and 147,624.80

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Solution

The fourth proportional to 204,049.40, 306,074.10 and 147,624.80 is: 221,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,049.40 : 306,074.10 = 147,624.80 : x
  2. Step 2: Convert to fraction form
    204,049.40/306,074.10 = 147,624.80/x
  3. Step 3: Cross multiply
    204,049.40x = 306,074.10 × 147,624.80
  4. Step 4: Simplify right side
    204,049.40x = 45,184,127,797.68
  5. Step 5: Solve for x
    x = 45,184,127,797.68/204,049.40
  6. Step 6: Final answer
    x = 221,437.20

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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.