Home / 554,192.20-831,375.42-180,127.72

Finding the Fourth Proportional to 554,192.20, 831,375.42 and 180,127.72

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Solution

The fourth proportional to 554,192.20, 831,375.42 and 180,127.72 is: 270,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,192.20 : 831,375.42 = 180,127.72 : x
  2. Step 2: Convert to fraction form
    554,192.20/831,375.42 = 180,127.72/x
  3. Step 3: Cross multiply
    554,192.20x = 831,375.42 × 180,127.72
  4. Step 4: Simplify right side
    554,192.20x = 149,753,758,868.64
  5. Step 5: Solve for x
    x = 149,753,758,868.64/554,192.20
  6. Step 6: Final answer
    x = 270,219.90

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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.