Home / 183,739.56-253,575.30-103,172.44

Finding the Fourth Proportional to 183,739.56, 253,575.30 and 103,172.44

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Solution

The fourth proportional to 183,739.56, 253,575.30 and 103,172.44 is: 142,386.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,739.56 : 253,575.30 = 103,172.44 : x
  2. Step 2: Convert to fraction form
    183,739.56/253,575.30 = 103,172.44/x
  3. Step 3: Cross multiply
    183,739.56x = 253,575.30 × 103,172.44
  4. Step 4: Simplify right side
    183,739.56x = 26,161,982,424.73
  5. Step 5: Solve for x
    x = 26,161,982,424.73/183,739.56
  6. Step 6: Final answer
    x = 142,386.23

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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.