Home / 111,840.38-167,697.03-76,344.69

Finding the Fourth Proportional to 111,840.38, 167,697.03 and 76,344.69

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Solution

The fourth proportional to 111,840.38, 167,697.03 and 76,344.69 is: 114,473.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,840.38 : 167,697.03 = 76,344.69 : x
  2. Step 2: Convert to fraction form
    111,840.38/167,697.03 = 76,344.69/x
  3. Step 3: Cross multiply
    111,840.38x = 167,697.03 × 76,344.69
  4. Step 4: Simplify right side
    111,840.38x = 12,802,777,769.27
  5. Step 5: Solve for x
    x = 12,802,777,769.27/111,840.38
  6. Step 6: Final answer
    x = 114,473.67

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1.5x scale

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.