Home / 151,237.57-208,712.56-82,331.64

Finding the Fourth Proportional to 151,237.57, 208,712.56 and 82,331.64

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Solution

The fourth proportional to 151,237.57, 208,712.56 and 82,331.64 is: 113,620.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,237.57 : 208,712.56 = 82,331.64 : x
  2. Step 2: Convert to fraction form
    151,237.57/208,712.56 = 82,331.64/x
  3. Step 3: Cross multiply
    151,237.57x = 208,712.56 × 82,331.64
  4. Step 4: Simplify right side
    151,237.57x = 17,183,647,353.40
  5. Step 5: Solve for x
    x = 17,183,647,353.40/151,237.57
  6. Step 6: Final answer
    x = 113,620.23

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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.