Home / 142,761.26-214,450.89-92,815.67

Finding the Fourth Proportional to 142,761.26, 214,450.89 and 92,815.67

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Solution

The fourth proportional to 142,761.26, 214,450.89 and 92,815.67 is: 139,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,761.26 : 214,450.89 = 92,815.67 : x
  2. Step 2: Convert to fraction form
    142,761.26/214,450.89 = 92,815.67/x
  3. Step 3: Cross multiply
    142,761.26x = 214,450.89 × 92,815.67
  4. Step 4: Simplify right side
    142,761.26x = 19,904,403,037.45
  5. Step 5: Solve for x
    x = 19,904,403,037.45/142,761.26
  6. Step 6: Final answer
    x = 139,424.40

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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.