Home / 230,168.58-345,114.63-89,993.22

Finding the Fourth Proportional to 230,168.58, 345,114.63 and 89,993.22

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Solution

The fourth proportional to 230,168.58, 345,114.63 and 89,993.22 is: 134,935.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,168.58 : 345,114.63 = 89,993.22 : x
  2. Step 2: Convert to fraction form
    230,168.58/345,114.63 = 89,993.22/x
  3. Step 3: Cross multiply
    230,168.58x = 345,114.63 × 89,993.22
  4. Step 4: Simplify right side
    230,168.58x = 31,057,976,822.81
  5. Step 5: Solve for x
    x = 31,057,976,822.81/230,168.58
  6. Step 6: Final answer
    x = 134,935.78

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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.