Home / 146,021.34-201,497.34-82,374.78

Finding the Fourth Proportional to 146,021.34, 201,497.34 and 82,374.78

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Solution

The fourth proportional to 146,021.34, 201,497.34 and 82,374.78 is: 113,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,021.34 : 201,497.34 = 82,374.78 : x
  2. Step 2: Convert to fraction form
    146,021.34/201,497.34 = 82,374.78/x
  3. Step 3: Cross multiply
    146,021.34x = 201,497.34 × 82,374.78
  4. Step 4: Simplify right side
    146,021.34x = 16,598,299,053.09
  5. Step 5: Solve for x
    x = 16,598,299,053.09/146,021.34
  6. Step 6: Final answer
    x = 113,670.37

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1.5x scale

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.