Home / 150,825.31-208,140.64-82,843.88

Finding the Fourth Proportional to 150,825.31, 208,140.64 and 82,843.88

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Solution

The fourth proportional to 150,825.31, 208,140.64 and 82,843.88 is: 114,325.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,825.31 : 208,140.64 = 82,843.88 : x
  2. Step 2: Convert to fraction form
    150,825.31/208,140.64 = 82,843.88/x
  3. Step 3: Cross multiply
    150,825.31x = 208,140.64 × 82,843.88
  4. Step 4: Simplify right side
    150,825.31x = 17,243,178,203.28
  5. Step 5: Solve for x
    x = 17,243,178,203.28/150,825.31
  6. Step 6: Final answer
    x = 114,325.49

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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.