Home / 150,817.94-208,131.27-82,841.21

Finding the Fourth Proportional to 150,817.94, 208,131.27 and 82,841.21

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Solution

The fourth proportional to 150,817.94, 208,131.27 and 82,841.21 is: 114,322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,817.94 : 208,131.27 = 82,841.21 : x
  2. Step 2: Convert to fraction form
    150,817.94/208,131.27 = 82,841.21/x
  3. Step 3: Cross multiply
    150,817.94x = 208,131.27 × 82,841.21
  4. Step 4: Simplify right side
    150,817.94x = 17,241,846,140.80
  5. Step 5: Solve for x
    x = 17,241,846,140.80/150,817.94
  6. Step 6: Final answer
    x = 114,322.25

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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.