Home / 136,738.17-205,107.26-36,898.20

Finding the Fourth Proportional to 136,738.17, 205,107.26 and 36,898.20

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Solution

The fourth proportional to 136,738.17, 205,107.26 and 36,898.20 is: 55,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,738.17 : 205,107.26 = 36,898.20 : x
  2. Step 2: Convert to fraction form
    136,738.17/205,107.26 = 36,898.20/x
  3. Step 3: Cross multiply
    136,738.17x = 205,107.26 × 36,898.20
  4. Step 4: Simplify right side
    136,738.17x = 7,568,089,219.21
  5. Step 5: Solve for x
    x = 7,568,089,219.21/136,738.17
  6. Step 6: Final answer
    x = 55,347.30

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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.