Home / 326,626.88-489,971.23-126,962.69

Finding the Fourth Proportional to 326,626.88, 489,971.23 and 126,962.69

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Solution

The fourth proportional to 326,626.88, 489,971.23 and 126,962.69 is: 190,456.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,626.88 : 489,971.23 = 126,962.69 : x
  2. Step 2: Convert to fraction form
    326,626.88/489,971.23 = 126,962.69/x
  3. Step 3: Cross multiply
    326,626.88x = 489,971.23 × 126,962.69
  4. Step 4: Simplify right side
    326,626.88x = 62,208,062,616.15
  5. Step 5: Solve for x
    x = 62,208,062,616.15/326,626.88
  6. Step 6: Final answer
    x = 190,456.04

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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.