Home / 177,440.31-265,859.73-107,172

Finding the Fourth Proportional to 177,440.31, 265,859.73 and 107,172

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Solution

The fourth proportional to 177,440.31, 265,859.73 and 107,172 is: 160,576.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,440.31 : 265,859.73 = 107,172 : x
  2. Step 2: Convert to fraction form
    177,440.31/265,859.73 = 107,172/x
  3. Step 3: Cross multiply
    177,440.31x = 265,859.73 × 107,172
  4. Step 4: Simplify right side
    177,440.31x = 28,492,718,983.56
  5. Step 5: Solve for x
    x = 28,492,718,983.56/177,440.31
  6. Step 6: Final answer
    x = 160,576.36

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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.