Home / 148,268.25-221,844.38-103,981.41

Finding the Fourth Proportional to 148,268.25, 221,844.38 and 103,981.41

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Solution

The fourth proportional to 148,268.25, 221,844.38 and 103,981.41 is: 155,580.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,268.25 : 221,844.38 = 103,981.41 : x
  2. Step 2: Convert to fraction form
    148,268.25/221,844.38 = 103,981.41/x
  3. Step 3: Cross multiply
    148,268.25x = 221,844.38 × 103,981.41
  4. Step 4: Simplify right side
    148,268.25x = 23,067,690,913.07
  5. Step 5: Solve for x
    x = 23,067,690,913.07/148,268.25
  6. Step 6: Final answer
    x = 155,580.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.