Home / 189,914.04-262,147.32-109,373.67

Finding the Fourth Proportional to 189,914.04, 262,147.32 and 109,373.67

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Solution

The fourth proportional to 189,914.04, 262,147.32 and 109,373.67 is: 150,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,914.04 : 262,147.32 = 109,373.67 : x
  2. Step 2: Convert to fraction form
    189,914.04/262,147.32 = 109,373.67/x
  3. Step 3: Cross multiply
    189,914.04x = 262,147.32 × 109,373.67
  4. Step 4: Simplify right side
    189,914.04x = 28,672,014,469.06
  5. Step 5: Solve for x
    x = 28,672,014,469.06/189,914.04
  6. Step 6: Final answer
    x = 150,973.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.