Home / 120,653.26-166,501.62-70,361.98

Finding the Fourth Proportional to 120,653.26, 166,501.62 and 70,361.98

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Solution

The fourth proportional to 120,653.26, 166,501.62 and 70,361.98 is: 97,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,653.26 : 166,501.62 = 70,361.98 : x
  2. Step 2: Convert to fraction form
    120,653.26/166,501.62 = 70,361.98/x
  3. Step 3: Cross multiply
    120,653.26x = 166,501.62 × 70,361.98
  4. Step 4: Simplify right side
    120,653.26x = 11,715,383,656.41
  5. Step 5: Solve for x
    x = 11,715,383,656.41/120,653.26
  6. Step 6: Final answer
    x = 97,099.60

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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.