Home / 121,322.31-181,976.83-37,082.44

Finding the Fourth Proportional to 121,322.31, 181,976.83 and 37,082.44

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Solution

The fourth proportional to 121,322.31, 181,976.83 and 37,082.44 is: 55,621.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,322.31 : 181,976.83 = 37,082.44 : x
  2. Step 2: Convert to fraction form
    121,322.31/181,976.83 = 37,082.44/x
  3. Step 3: Cross multiply
    121,322.31x = 181,976.83 × 37,082.44
  4. Step 4: Simplify right side
    121,322.31x = 6,748,144,879.87
  5. Step 5: Solve for x
    x = 6,748,144,879.87/121,322.31
  6. Step 6: Final answer
    x = 55,621.63

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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.