Home / 396,256.95-594,364.55-129,982.41

Finding the Fourth Proportional to 396,256.95, 594,364.55 and 129,982.41

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Solution

The fourth proportional to 396,256.95, 594,364.55 and 129,982.41 is: 194,966.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,256.95 : 594,364.55 = 129,982.41 : x
  2. Step 2: Convert to fraction form
    396,256.95/594,364.55 = 129,982.41/x
  3. Step 3: Cross multiply
    396,256.95x = 594,364.55 × 129,982.41
  4. Step 4: Simplify right side
    396,256.95x = 77,256,935,977.65
  5. Step 5: Solve for x
    x = 77,256,935,977.65/396,256.95
  6. Step 6: Final answer
    x = 194,966.77

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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.