Home / 319,339.31-440,668.13-183,277.51

Finding the Fourth Proportional to 319,339.31, 440,668.13 and 183,277.51

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Solution

The fourth proportional to 319,339.31, 440,668.13 and 183,277.51 is: 252,911.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,339.31 : 440,668.13 = 183,277.51 : x
  2. Step 2: Convert to fraction form
    319,339.31/440,668.13 = 183,277.51/x
  3. Step 3: Cross multiply
    319,339.31x = 440,668.13 × 183,277.51
  4. Step 4: Simplify right side
    319,339.31x = 80,764,556,959.28
  5. Step 5: Solve for x
    x = 80,764,556,959.28/319,339.31
  6. Step 6: Final answer
    x = 252,911.41

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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.