Home / 121,004.24-181,515-32,257.28

Finding the Fourth Proportional to 121,004.24, 181,515 and 32,257.28

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Solution

The fourth proportional to 121,004.24, 181,515 and 32,257.28 is: 48,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,004.24 : 181,515 = 32,257.28 : x
  2. Step 2: Convert to fraction form
    121,004.24/181,515 = 32,257.28/x
  3. Step 3: Cross multiply
    121,004.24x = 181,515 × 32,257.28
  4. Step 4: Simplify right side
    121,004.24x = 5,855,180,179.20
  5. Step 5: Solve for x
    x = 5,855,180,179.20/121,004.24
  6. Step 6: Final answer
    x = 48,388.22

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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.