Home / 338,939.13-467,720.31-185,973.51

Finding the Fourth Proportional to 338,939.13, 467,720.31 and 185,973.51

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Solution

The fourth proportional to 338,939.13, 467,720.31 and 185,973.51 is: 256,634.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,939.13 : 467,720.31 = 185,973.51 : x
  2. Step 2: Convert to fraction form
    338,939.13/467,720.31 = 185,973.51/x
  3. Step 3: Cross multiply
    338,939.13x = 467,720.31 × 185,973.51
  4. Step 4: Simplify right side
    338,939.13x = 86,983,587,748.99
  5. Step 5: Solve for x
    x = 86,983,587,748.99/338,939.13
  6. Step 6: Final answer
    x = 256,634.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.