Home / 177,735.78-245,416.77-109,851.30

Finding the Fourth Proportional to 177,735.78, 245,416.77 and 109,851.30

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Solution

The fourth proportional to 177,735.78, 245,416.77 and 109,851.30 is: 151,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,735.78 : 245,416.77 = 109,851.30 : x
  2. Step 2: Convert to fraction form
    177,735.78/245,416.77 = 109,851.30/x
  3. Step 3: Cross multiply
    177,735.78x = 245,416.77 × 109,851.30
  4. Step 4: Simplify right side
    177,735.78x = 26,959,351,226.30
  5. Step 5: Solve for x
    x = 26,959,351,226.30/177,735.78
  6. Step 6: Final answer
    x = 151,682.18

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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.