Home / 193,643.25-290,462.62-136,482.36

Finding the Fourth Proportional to 193,643.25, 290,462.62 and 136,482.36

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Solution

The fourth proportional to 193,643.25, 290,462.62 and 136,482.36 is: 204,721.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,643.25 : 290,462.62 = 136,482.36 : x
  2. Step 2: Convert to fraction form
    193,643.25/290,462.62 = 136,482.36/x
  3. Step 3: Cross multiply
    193,643.25x = 290,462.62 × 136,482.36
  4. Step 4: Simplify right side
    193,643.25x = 39,643,023,869.38
  5. Step 5: Solve for x
    x = 39,643,023,869.38/193,643.25
  6. Step 6: Final answer
    x = 204,721.95

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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.