Home / 121,216.57-181,825.00-36,972.27

Finding the Fourth Proportional to 121,216.57, 181,825.00 and 36,972.27

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Solution

The fourth proportional to 121,216.57, 181,825.00 and 36,972.27 is: 55,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,216.57 : 181,825.00 = 36,972.27 : x
  2. Step 2: Convert to fraction form
    121,216.57/181,825.00 = 36,972.27/x
  3. Step 3: Cross multiply
    121,216.57x = 181,825.00 × 36,972.27
  4. Step 4: Simplify right side
    121,216.57x = 6,722,483,582.16
  5. Step 5: Solve for x
    x = 6,722,483,582.16/121,216.57
  6. Step 6: Final answer
    x = 55,458.45

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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.