Home / 183,103.42-252,669.99-122,664.28

Finding the Fourth Proportional to 183,103.42, 252,669.99 and 122,664.28

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Solution

The fourth proportional to 183,103.42, 252,669.99 and 122,664.28 is: 169,268.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,103.42 : 252,669.99 = 122,664.28 : x
  2. Step 2: Convert to fraction form
    183,103.42/252,669.99 = 122,664.28/x
  3. Step 3: Cross multiply
    183,103.42x = 252,669.99 × 122,664.28
  4. Step 4: Simplify right side
    183,103.42x = 30,993,582,400.96
  5. Step 5: Solve for x
    x = 30,993,582,400.96/183,103.42
  6. Step 6: Final answer
    x = 169,268.18

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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.