Home / 194,417.31-291,740.79-82,090.26

Finding the Fourth Proportional to 194,417.31, 291,740.79 and 82,090.26

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Solution

The fourth proportional to 194,417.31, 291,740.79 and 82,090.26 is: 123,183.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,417.31 : 291,740.79 = 82,090.26 : x
  2. Step 2: Convert to fraction form
    194,417.31/291,740.79 = 82,090.26/x
  3. Step 3: Cross multiply
    194,417.31x = 291,740.79 × 82,090.26
  4. Step 4: Simplify right side
    194,417.31x = 23,949,078,033.06
  5. Step 5: Solve for x
    x = 23,949,078,033.06/194,417.31
  6. Step 6: Final answer
    x = 123,183.88

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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.