Home / 313,057.28-469,604.58-120,933.20

Finding the Fourth Proportional to 313,057.28, 469,604.58 and 120,933.20

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Solution

The fourth proportional to 313,057.28, 469,604.58 and 120,933.20 is: 181,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,057.28 : 469,604.58 = 120,933.20 : x
  2. Step 2: Convert to fraction form
    313,057.28/469,604.58 = 120,933.20/x
  3. Step 3: Cross multiply
    313,057.28x = 469,604.58 × 120,933.20
  4. Step 4: Simplify right side
    313,057.28x = 56,790,784,594.06
  5. Step 5: Solve for x
    x = 56,790,784,594.06/313,057.28
  6. Step 6: Final answer
    x = 181,407.01

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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.