Home / 150,825.23-208,140.51-82,843.78

Finding the Fourth Proportional to 150,825.23, 208,140.51 and 82,843.78

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Solution

The fourth proportional to 150,825.23, 208,140.51 and 82,843.78 is: 114,325.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,825.23 : 208,140.51 = 82,843.78 : x
  2. Step 2: Convert to fraction form
    150,825.23/208,140.51 = 82,843.78/x
  3. Step 3: Cross multiply
    150,825.23x = 208,140.51 × 82,843.78
  4. Step 4: Simplify right side
    150,825.23x = 17,243,146,099.18
  5. Step 5: Solve for x
    x = 17,243,146,099.18/150,825.23
  6. Step 6: Final answer
    x = 114,325.35

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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.