Home / 150,825.43-208,140.80-82,844

Finding the Fourth Proportional to 150,825.43, 208,140.80 and 82,844

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Solution

The fourth proportional to 150,825.43, 208,140.80 and 82,844 is: 114,325.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,825.43 : 208,140.80 = 82,844 : x
  2. Step 2: Convert to fraction form
    150,825.43/208,140.80 = 82,844/x
  3. Step 3: Cross multiply
    150,825.43x = 208,140.80 × 82,844
  4. Step 4: Simplify right side
    150,825.43x = 17,243,216,435.20
  5. Step 5: Solve for x
    x = 17,243,216,435.20/150,825.43
  6. Step 6: Final answer
    x = 114,325.66

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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.