Home / 554,198.20-831,384.42-180,133.72

Finding the Fourth Proportional to 554,198.20, 831,384.42 and 180,133.72

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Solution

The fourth proportional to 554,198.20, 831,384.42 and 180,133.72 is: 270,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,198.20 : 831,384.42 = 180,133.72 : x
  2. Step 2: Convert to fraction form
    554,198.20/831,384.42 = 180,133.72/x
  3. Step 3: Cross multiply
    554,198.20x = 831,384.42 × 180,133.72
  4. Step 4: Simplify right side
    554,198.20x = 149,760,368,324.64
  5. Step 5: Solve for x
    x = 149,760,368,324.64/554,198.20
  6. Step 6: Final answer
    x = 270,228.90

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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.