Home / 494,090.15-741,178.98-139,107.24

Finding the Fourth Proportional to 494,090.15, 741,178.98 and 139,107.24

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Solution

The fourth proportional to 494,090.15, 741,178.98 and 139,107.24 is: 208,673.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,090.15 : 741,178.98 = 139,107.24 : x
  2. Step 2: Convert to fraction form
    494,090.15/741,178.98 = 139,107.24/x
  3. Step 3: Cross multiply
    494,090.15x = 741,178.98 × 139,107.24
  4. Step 4: Simplify right side
    494,090.15x = 103,103,362,253.82
  5. Step 5: Solve for x
    x = 103,103,362,253.82/494,090.15
  6. Step 6: Final answer
    x = 208,673.18

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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.