Home / 194,501.48-291,783.36-82,182.78

Finding the Fourth Proportional to 194,501.48, 291,783.36 and 82,182.78

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Solution

The fourth proportional to 194,501.48, 291,783.36 and 82,182.78 is: 123,287.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,501.48 : 291,783.36 = 82,182.78 : x
  2. Step 2: Convert to fraction form
    194,501.48/291,783.36 = 82,182.78/x
  3. Step 3: Cross multiply
    194,501.48x = 291,783.36 × 82,182.78
  4. Step 4: Simplify right side
    194,501.48x = 23,979,567,682.54
  5. Step 5: Solve for x
    x = 23,979,567,682.54/194,501.48
  6. Step 6: Final answer
    x = 123,287.33

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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.