Home / 139,558.41-192,592.08-75,896.19

Finding the Fourth Proportional to 139,558.41, 192,592.08 and 75,896.19

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Solution

The fourth proportional to 139,558.41, 192,592.08 and 75,896.19 is: 104,737.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,558.41 : 192,592.08 = 75,896.19 : x
  2. Step 2: Convert to fraction form
    139,558.41/192,592.08 = 75,896.19/x
  3. Step 3: Cross multiply
    139,558.41x = 192,592.08 × 75,896.19
  4. Step 4: Simplify right side
    139,558.41x = 14,617,005,096.18
  5. Step 5: Solve for x
    x = 14,617,005,096.18/139,558.41
  6. Step 6: Final answer
    x = 104,737.54

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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.