Home / 181,150.88-249,996.02-100,578.41

Finding the Fourth Proportional to 181,150.88, 249,996.02 and 100,578.41

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Solution

The fourth proportional to 181,150.88, 249,996.02 and 100,578.41 is: 138,802.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,150.88 : 249,996.02 = 100,578.41 : x
  2. Step 2: Convert to fraction form
    181,150.88/249,996.02 = 100,578.41/x
  3. Step 3: Cross multiply
    181,150.88x = 249,996.02 × 100,578.41
  4. Step 4: Simplify right side
    181,150.88x = 25,144,201,382.54
  5. Step 5: Solve for x
    x = 25,144,201,382.54/181,150.88
  6. Step 6: Final answer
    x = 138,802.54

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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.