Home / 326,244.24-489,556.88-136,688.41

Finding the Fourth Proportional to 326,244.24, 489,556.88 and 136,688.41

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Solution

The fourth proportional to 326,244.24, 489,556.88 and 136,688.41 is: 205,112.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,244.24 : 489,556.88 = 136,688.41 : x
  2. Step 2: Convert to fraction form
    326,244.24/489,556.88 = 136,688.41/x
  3. Step 3: Cross multiply
    326,244.24x = 489,556.88 × 136,688.41
  4. Step 4: Simplify right side
    326,244.24x = 66,916,751,531.76
  5. Step 5: Solve for x
    x = 66,916,751,531.76/326,244.24
  6. Step 6: Final answer
    x = 205,112.44

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1.5x scale

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.