Home / 150,831.78-225,903.22-72,001.37

Finding the Fourth Proportional to 150,831.78, 225,903.22 and 72,001.37

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Solution

The fourth proportional to 150,831.78, 225,903.22 and 72,001.37 is: 107,837.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,831.78 : 225,903.22 = 72,001.37 : x
  2. Step 2: Convert to fraction form
    150,831.78/225,903.22 = 72,001.37/x
  3. Step 3: Cross multiply
    150,831.78x = 225,903.22 × 72,001.37
  4. Step 4: Simplify right side
    150,831.78x = 16,265,340,762.65
  5. Step 5: Solve for x
    x = 16,265,340,762.65/150,831.78
  6. Step 6: Final answer
    x = 107,837.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.