Home / 139,922.53-193,087.47-76,258.96

Finding the Fourth Proportional to 139,922.53, 193,087.47 and 76,258.96

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Solution

The fourth proportional to 139,922.53, 193,087.47 and 76,258.96 is: 105,234.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,922.53 : 193,087.47 = 76,258.96 : x
  2. Step 2: Convert to fraction form
    139,922.53/193,087.47 = 76,258.96/x
  3. Step 3: Cross multiply
    139,922.53x = 193,087.47 × 76,258.96
  4. Step 4: Simplify right side
    139,922.53x = 14,724,649,651.23
  5. Step 5: Solve for x
    x = 14,724,649,651.23/139,922.53
  6. Step 6: Final answer
    x = 105,234.30

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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.