Home / 150,822.74-208,137.09-82,841.31

Finding the Fourth Proportional to 150,822.74, 208,137.09 and 82,841.31

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Solution

The fourth proportional to 150,822.74, 208,137.09 and 82,841.31 is: 114,321.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,822.74 : 208,137.09 = 82,841.31 : x
  2. Step 2: Convert to fraction form
    150,822.74/208,137.09 = 82,841.31/x
  3. Step 3: Cross multiply
    150,822.74x = 208,137.09 × 82,841.31
  4. Step 4: Simplify right side
    150,822.74x = 17,242,348,920.46
  5. Step 5: Solve for x
    x = 17,242,348,920.46/150,822.74
  6. Step 6: Final answer
    x = 114,321.94

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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.