Home / 181,112.22-249,929.96-100,537.67

Finding the Fourth Proportional to 181,112.22, 249,929.96 and 100,537.67

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Solution

The fourth proportional to 181,112.22, 249,929.96 and 100,537.67 is: 138,739.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,112.22 : 249,929.96 = 100,537.67 : x
  2. Step 2: Convert to fraction form
    181,112.22/249,929.96 = 100,537.67/x
  3. Step 3: Cross multiply
    181,112.22x = 249,929.96 × 100,537.67
  4. Step 4: Simplify right side
    181,112.22x = 25,127,375,963.73
  5. Step 5: Solve for x
    x = 25,127,375,963.73/181,112.22
  6. Step 6: Final answer
    x = 138,739.26

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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.