Home / 106,090.56-159,138.27-34,990.38

Finding the Fourth Proportional to 106,090.56, 159,138.27 and 34,990.38

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Solution

The fourth proportional to 106,090.56, 159,138.27 and 34,990.38 is: 52,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,090.56 : 159,138.27 = 34,990.38 : x
  2. Step 2: Convert to fraction form
    106,090.56/159,138.27 = 34,990.38/x
  3. Step 3: Cross multiply
    106,090.56x = 159,138.27 × 34,990.38
  4. Step 4: Simplify right side
    106,090.56x = 5,568,308,539.84
  5. Step 5: Solve for x
    x = 5,568,308,539.84/106,090.56
  6. Step 6: Final answer
    x = 52,486.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.