Home / 142,760.26-214,449.39-92,814.67

Finding the Fourth Proportional to 142,760.26, 214,449.39 and 92,814.67

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Solution

The fourth proportional to 142,760.26, 214,449.39 and 92,814.67 is: 139,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,760.26 : 214,449.39 = 92,814.67 : x
  2. Step 2: Convert to fraction form
    142,760.26/214,449.39 = 92,814.67/x
  3. Step 3: Cross multiply
    142,760.26x = 214,449.39 × 92,814.67
  4. Step 4: Simplify right side
    142,760.26x = 19,904,049,364.55
  5. Step 5: Solve for x
    x = 19,904,049,364.55/142,760.26
  6. Step 6: Final answer
    x = 139,422.90

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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.