Home / 181,782.42-272,581.37-136,388.51

Finding the Fourth Proportional to 181,782.42, 272,581.37 and 136,388.51

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Solution

The fourth proportional to 181,782.42, 272,581.37 and 136,388.51 is: 204,513.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,782.42 : 272,581.37 = 136,388.51 : x
  2. Step 2: Convert to fraction form
    181,782.42/272,581.37 = 136,388.51/x
  3. Step 3: Cross multiply
    181,782.42x = 272,581.37 × 136,388.51
  4. Step 4: Simplify right side
    181,782.42x = 37,176,964,863.21
  5. Step 5: Solve for x
    x = 37,176,964,863.21/181,782.42
  6. Step 6: Final answer
    x = 204,513.53

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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.