Home / 494,824.24-742,142.04-139,753.36

Finding the Fourth Proportional to 494,824.24, 742,142.04 and 139,753.36

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Solution

The fourth proportional to 494,824.24, 742,142.04 and 139,753.36 is: 209,603.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,824.24 : 742,142.04 = 139,753.36 : x
  2. Step 2: Convert to fraction form
    494,824.24/742,142.04 = 139,753.36/x
  3. Step 3: Cross multiply
    494,824.24x = 742,142.04 × 139,753.36
  4. Step 4: Simplify right side
    494,824.24x = 103,716,843,687.25
  5. Step 5: Solve for x
    x = 103,716,843,687.25/494,824.24
  6. Step 6: Final answer
    x = 209,603.40

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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.