Home / 449,555.20-674,246.40-134,022.40

Finding the Fourth Proportional to 449,555.20, 674,246.40 and 134,022.40

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Solution

The fourth proportional to 449,555.20, 674,246.40 and 134,022.40 is: 201,007.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,555.20 : 674,246.40 = 134,022.40 : x
  2. Step 2: Convert to fraction form
    449,555.20/674,246.40 = 134,022.40/x
  3. Step 3: Cross multiply
    449,555.20x = 674,246.40 × 134,022.40
  4. Step 4: Simplify right side
    449,555.20x = 90,364,120,719.36
  5. Step 5: Solve for x
    x = 90,364,120,719.36/449,555.20
  6. Step 6: Final answer
    x = 201,007.84

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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.