Home / 396,257.95-594,366.04-129,983.41

Finding the Fourth Proportional to 396,257.95, 594,366.04 and 129,983.41

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Solution

The fourth proportional to 396,257.95, 594,366.04 and 129,983.41 is: 194,968.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,257.95 : 594,366.04 = 129,983.41 : x
  2. Step 2: Convert to fraction form
    396,257.95/594,366.04 = 129,983.41/x
  3. Step 3: Cross multiply
    396,257.95x = 594,366.04 × 129,983.41
  4. Step 4: Simplify right side
    396,257.95x = 77,257,724,667.40
  5. Step 5: Solve for x
    x = 77,257,724,667.40/396,257.95
  6. Step 6: Final answer
    x = 194,968.26

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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.