Home / 150,147.37-207,203.40-82,164.36

Finding the Fourth Proportional to 150,147.37, 207,203.40 and 82,164.36

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Solution

The fourth proportional to 150,147.37, 207,203.40 and 82,164.36 is: 113,386.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,147.37 : 207,203.40 = 82,164.36 : x
  2. Step 2: Convert to fraction form
    150,147.37/207,203.40 = 82,164.36/x
  3. Step 3: Cross multiply
    150,147.37x = 207,203.40 × 82,164.36
  4. Step 4: Simplify right side
    150,147.37x = 17,024,735,219.72
  5. Step 5: Solve for x
    x = 17,024,735,219.72/150,147.37
  6. Step 6: Final answer
    x = 113,386.83

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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.