Home / 145,704.06-218,571.75-45,867.24

Finding the Fourth Proportional to 145,704.06, 218,571.75 and 45,867.24

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Solution

The fourth proportional to 145,704.06, 218,571.75 and 45,867.24 is: 68,805.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,704.06 : 218,571.75 = 45,867.24 : x
  2. Step 2: Convert to fraction form
    145,704.06/218,571.75 = 45,867.24/x
  3. Step 3: Cross multiply
    145,704.06x = 218,571.75 × 45,867.24
  4. Step 4: Simplify right side
    145,704.06x = 10,025,282,914.47
  5. Step 5: Solve for x
    x = 10,025,282,914.47/145,704.06
  6. Step 6: Final answer
    x = 68,805.79

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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.