Home / 198,379.18-273,578.13-152,984.35

Finding the Fourth Proportional to 198,379.18, 273,578.13 and 152,984.35

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Solution

The fourth proportional to 198,379.18, 273,578.13 and 152,984.35 is: 210,975.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,379.18 : 273,578.13 = 152,984.35 : x
  2. Step 2: Convert to fraction form
    198,379.18/273,578.13 = 152,984.35/x
  3. Step 3: Cross multiply
    198,379.18x = 273,578.13 × 152,984.35
  4. Step 4: Simplify right side
    198,379.18x = 41,853,171,625.63
  5. Step 5: Solve for x
    x = 41,853,171,625.63/198,379.18
  6. Step 6: Final answer
    x = 210,975.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.