Home / 326,264.42-489,575.03-126,592.70

Finding the Fourth Proportional to 326,264.42, 489,575.03 and 126,592.70

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Solution

The fourth proportional to 326,264.42, 489,575.03 and 126,592.70 is: 189,958.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,264.42 : 489,575.03 = 126,592.70 : x
  2. Step 2: Convert to fraction form
    326,264.42/489,575.03 = 126,592.70/x
  3. Step 3: Cross multiply
    326,264.42x = 489,575.03 × 126,592.70
  4. Step 4: Simplify right side
    326,264.42x = 61,976,621,819.44
  5. Step 5: Solve for x
    x = 61,976,621,819.44/326,264.42
  6. Step 6: Final answer
    x = 189,958.26

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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.