Home / 290,960.80-436,441.73-91,296.52

Finding the Fourth Proportional to 290,960.80, 436,441.73 and 91,296.52

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Solution

The fourth proportional to 290,960.80, 436,441.73 and 91,296.52 is: 136,944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,960.80 : 436,441.73 = 91,296.52 : x
  2. Step 2: Convert to fraction form
    290,960.80/436,441.73 = 91,296.52/x
  3. Step 3: Cross multiply
    290,960.80x = 436,441.73 × 91,296.52
  4. Step 4: Simplify right side
    290,960.80x = 39,845,611,131.78
  5. Step 5: Solve for x
    x = 39,845,611,131.78/290,960.80
  6. Step 6: Final answer
    x = 136,944.95

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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.