Home / 494,887.76-741,968.16-157,734.32

Finding the Fourth Proportional to 494,887.76, 741,968.16 and 157,734.32

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Solution

The fourth proportional to 494,887.76, 741,968.16 and 157,734.32 is: 236,485.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,887.76 : 741,968.16 = 157,734.32 : x
  2. Step 2: Convert to fraction form
    494,887.76/741,968.16 = 157,734.32/x
  3. Step 3: Cross multiply
    494,887.76x = 741,968.16 × 157,734.32
  4. Step 4: Simplify right side
    494,887.76x = 117,033,843,179.25
  5. Step 5: Solve for x
    x = 117,033,843,179.25/494,887.76
  6. Step 6: Final answer
    x = 236,485.63

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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.