Home / 326,074.41-489,319.38-148,599.36

Finding the Fourth Proportional to 326,074.41, 489,319.38 and 148,599.36

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Solution

The fourth proportional to 326,074.41, 489,319.38 and 148,599.36 is: 222,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,074.41 : 489,319.38 = 148,599.36 : x
  2. Step 2: Convert to fraction form
    326,074.41/489,319.38 = 148,599.36/x
  3. Step 3: Cross multiply
    326,074.41x = 489,319.38 × 148,599.36
  4. Step 4: Simplify right side
    326,074.41x = 72,712,546,703.60
  5. Step 5: Solve for x
    x = 72,712,546,703.60/326,074.41
  6. Step 6: Final answer
    x = 222,993.72

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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.