Home / 254,061.74-381,240.21-113,820.36

Finding the Fourth Proportional to 254,061.74, 381,240.21 and 113,820.36

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Solution

The fourth proportional to 254,061.74, 381,240.21 and 113,820.36 is: 170,796.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,061.74 : 381,240.21 = 113,820.36 : x
  2. Step 2: Convert to fraction form
    254,061.74/381,240.21 = 113,820.36/x
  3. Step 3: Cross multiply
    254,061.74x = 381,240.21 × 113,820.36
  4. Step 4: Simplify right side
    254,061.74x = 43,392,897,948.68
  5. Step 5: Solve for x
    x = 43,392,897,948.68/254,061.74
  6. Step 6: Final answer
    x = 170,796.67

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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.