Home / 190,447.73-262,937.43-122,582.64

Finding the Fourth Proportional to 190,447.73, 262,937.43 and 122,582.64

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Solution

The fourth proportional to 190,447.73, 262,937.43 and 122,582.64 is: 169,241.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,447.73 : 262,937.43 = 122,582.64 : x
  2. Step 2: Convert to fraction form
    190,447.73/262,937.43 = 122,582.64/x
  3. Step 3: Cross multiply
    190,447.73x = 262,937.43 × 122,582.64
  4. Step 4: Simplify right side
    190,447.73x = 32,231,564,324.22
  5. Step 5: Solve for x
    x = 32,231,564,324.22/190,447.73
  6. Step 6: Final answer
    x = 169,241.00

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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.