Home / 181,042.44-249,831.18-100,473.36

Finding the Fourth Proportional to 181,042.44, 249,831.18 and 100,473.36

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Solution

The fourth proportional to 181,042.44, 249,831.18 and 100,473.36 is: 138,649.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,042.44 : 249,831.18 = 100,473.36 : x
  2. Step 2: Convert to fraction form
    181,042.44/249,831.18 = 100,473.36/x
  3. Step 3: Cross multiply
    181,042.44x = 249,831.18 × 100,473.36
  4. Step 4: Simplify right side
    181,042.44x = 25,101,378,087.36
  5. Step 5: Solve for x
    x = 25,101,378,087.36/181,042.44
  6. Step 6: Final answer
    x = 138,649.14

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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.