Home / 245,901.20-368,621.40-192,563.60

Finding the Fourth Proportional to 245,901.20, 368,621.40 and 192,563.60

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Solution

The fourth proportional to 245,901.20, 368,621.40 and 192,563.60 is: 288,664.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,901.20 : 368,621.40 = 192,563.60 : x
  2. Step 2: Convert to fraction form
    245,901.20/368,621.40 = 192,563.60/x
  3. Step 3: Cross multiply
    245,901.20x = 368,621.40 × 192,563.60
  4. Step 4: Simplify right side
    245,901.20x = 70,983,063,821.04
  5. Step 5: Solve for x
    x = 70,983,063,821.04/245,901.20
  6. Step 6: Final answer
    x = 288,664.98

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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.