Home / 243,912.14-336,558.56-153,203.48

Finding the Fourth Proportional to 243,912.14, 336,558.56 and 153,203.48

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Solution

The fourth proportional to 243,912.14, 336,558.56 and 153,203.48 is: 211,395.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,912.14 : 336,558.56 = 153,203.48 : x
  2. Step 2: Convert to fraction form
    243,912.14/336,558.56 = 153,203.48/x
  3. Step 3: Cross multiply
    243,912.14x = 336,558.56 × 153,203.48
  4. Step 4: Simplify right side
    243,912.14x = 51,561,942,615.79
  5. Step 5: Solve for x
    x = 51,561,942,615.79/243,912.14
  6. Step 6: Final answer
    x = 211,395.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.