Home / 100,831.23-151,246.89-41,601.80

Finding the Fourth Proportional to 100,831.23, 151,246.89 and 41,601.80

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Solution

The fourth proportional to 100,831.23, 151,246.89 and 41,601.80 is: 62,402.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,831.23 : 151,246.89 = 41,601.80 : x
  2. Step 2: Convert to fraction form
    100,831.23/151,246.89 = 41,601.80/x
  3. Step 3: Cross multiply
    100,831.23x = 151,246.89 × 41,601.80
  4. Step 4: Simplify right side
    100,831.23x = 6,292,141,904.16
  5. Step 5: Solve for x
    x = 6,292,141,904.16/100,831.23
  6. Step 6: Final answer
    x = 62,402.71

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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.