Home / 227,606.48-314,153.16-138,257.36

Finding the Fourth Proportional to 227,606.48, 314,153.16 and 138,257.36

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Solution

The fourth proportional to 227,606.48, 314,153.16 and 138,257.36 is: 190,829.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,606.48 : 314,153.16 = 138,257.36 : x
  2. Step 2: Convert to fraction form
    227,606.48/314,153.16 = 138,257.36/x
  3. Step 3: Cross multiply
    227,606.48x = 314,153.16 × 138,257.36
  4. Step 4: Simplify right side
    227,606.48x = 43,433,986,537.26
  5. Step 5: Solve for x
    x = 43,433,986,537.26/227,606.48
  6. Step 6: Final answer
    x = 190,829.31

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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.