Home / 181,399.03-272,101.31-69,085.46

Finding the Fourth Proportional to 181,399.03, 272,101.31 and 69,085.46

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Solution

The fourth proportional to 181,399.03, 272,101.31 and 69,085.46 is: 103,629.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,399.03 : 272,101.31 = 69,085.46 : x
  2. Step 2: Convert to fraction form
    181,399.03/272,101.31 = 69,085.46/x
  3. Step 3: Cross multiply
    181,399.03x = 272,101.31 × 69,085.46
  4. Step 4: Simplify right side
    181,399.03x = 18,798,244,502.78
  5. Step 5: Solve for x
    x = 18,798,244,502.78/181,399.03
  6. Step 6: Final answer
    x = 103,629.25

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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.