Home / 323,039.20-484,725.57-154,525.40

Finding the Fourth Proportional to 323,039.20, 484,725.57 and 154,525.40

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Solution

The fourth proportional to 323,039.20, 484,725.57 and 154,525.40 is: 231,867.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,039.20 : 484,725.57 = 154,525.40 : x
  2. Step 2: Convert to fraction form
    323,039.20/484,725.57 = 154,525.40/x
  3. Step 3: Cross multiply
    323,039.20x = 484,725.57 × 154,525.40
  4. Step 4: Simplify right side
    323,039.20x = 74,902,412,594.48
  5. Step 5: Solve for x
    x = 74,902,412,594.48/323,039.20
  6. Step 6: Final answer
    x = 231,867.87

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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.