Home / 139,585.06-192,609.90-94,361.44

Finding the Fourth Proportional to 139,585.06, 192,609.90 and 94,361.44

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Solution

The fourth proportional to 139,585.06, 192,609.90 and 94,361.44 is: 130,206.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,585.06 : 192,609.90 = 94,361.44 : x
  2. Step 2: Convert to fraction form
    139,585.06/192,609.90 = 94,361.44/x
  3. Step 3: Cross multiply
    139,585.06x = 192,609.90 × 94,361.44
  4. Step 4: Simplify right side
    139,585.06x = 18,174,947,522.26
  5. Step 5: Solve for x
    x = 18,174,947,522.26/139,585.06
  6. Step 6: Final answer
    x = 130,206.97

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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.