Home / 326,353.26-489,534.21-126,685.02

Finding the Fourth Proportional to 326,353.26, 489,534.21 and 126,685.02

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Solution

The fourth proportional to 326,353.26, 489,534.21 and 126,685.02 is: 190,029.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,353.26 : 489,534.21 = 126,685.02 : x
  2. Step 2: Convert to fraction form
    326,353.26/489,534.21 = 126,685.02/x
  3. Step 3: Cross multiply
    326,353.26x = 489,534.21 × 126,685.02
  4. Step 4: Simplify right side
    326,353.26x = 62,016,651,184.53
  5. Step 5: Solve for x
    x = 62,016,651,184.53/326,353.26
  6. Step 6: Final answer
    x = 190,029.21

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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.