Home / 143,019.22-214,563.51-43,173.45

Finding the Fourth Proportional to 143,019.22, 214,563.51 and 43,173.45

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Solution

The fourth proportional to 143,019.22, 214,563.51 and 43,173.45 is: 64,770.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,019.22 : 214,563.51 = 43,173.45 : x
  2. Step 2: Convert to fraction form
    143,019.22/214,563.51 = 43,173.45/x
  3. Step 3: Cross multiply
    143,019.22x = 214,563.51 × 43,173.45
  4. Step 4: Simplify right side
    143,019.22x = 9,263,446,970.81
  5. Step 5: Solve for x
    x = 9,263,446,970.81/143,019.22
  6. Step 6: Final answer
    x = 64,770.64

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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.