Home / 326,621.36-489,936.95-113,396.04

Finding the Fourth Proportional to 326,621.36, 489,936.95 and 113,396.04

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Solution

The fourth proportional to 326,621.36, 489,936.95 and 113,396.04 is: 170,095.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,621.36 : 489,936.95 = 113,396.04 : x
  2. Step 2: Convert to fraction form
    326,621.36/489,936.95 = 113,396.04/x
  3. Step 3: Cross multiply
    326,621.36x = 489,936.95 × 113,396.04
  4. Step 4: Simplify right side
    326,621.36x = 55,556,909,979.68
  5. Step 5: Solve for x
    x = 55,556,909,979.68/326,621.36
  6. Step 6: Final answer
    x = 170,095.76

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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.