Home / 254,106.78-381,020.93-117,181.24

Finding the Fourth Proportional to 254,106.78, 381,020.93 and 117,181.24

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Solution

The fourth proportional to 254,106.78, 381,020.93 and 117,181.24 is: 175,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,106.78 : 381,020.93 = 117,181.24 : x
  2. Step 2: Convert to fraction form
    254,106.78/381,020.93 = 117,181.24/x
  3. Step 3: Cross multiply
    254,106.78x = 381,020.93 × 117,181.24
  4. Step 4: Simplify right side
    254,106.78x = 44,648,505,043.35
  5. Step 5: Solve for x
    x = 44,648,505,043.35/254,106.78
  6. Step 6: Final answer
    x = 175,707.65

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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.