Home / 148,140.09-204,433.88-136,838.43

Finding the Fourth Proportional to 148,140.09, 204,433.88 and 136,838.43

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Solution

The fourth proportional to 148,140.09, 204,433.88 and 136,838.43 is: 188,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,140.09 : 204,433.88 = 136,838.43 : x
  2. Step 2: Convert to fraction form
    148,140.09/204,433.88 = 136,838.43/x
  3. Step 3: Cross multiply
    148,140.09x = 204,433.88 × 136,838.43
  4. Step 4: Simplify right side
    148,140.09x = 27,974,410,493.82
  5. Step 5: Solve for x
    x = 27,974,410,493.82/148,140.09
  6. Step 6: Final answer
    x = 188,837.54

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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.