Home / 139,896.06-193,056.57-76,233.84

Finding the Fourth Proportional to 139,896.06, 193,056.57 and 76,233.84

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Solution

The fourth proportional to 139,896.06, 193,056.57 and 76,233.84 is: 105,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,896.06 : 193,056.57 = 76,233.84 : x
  2. Step 2: Convert to fraction form
    139,896.06/193,056.57 = 76,233.84/x
  3. Step 3: Cross multiply
    139,896.06x = 193,056.57 × 76,233.84
  4. Step 4: Simplify right side
    139,896.06x = 14,717,443,668.33
  5. Step 5: Solve for x
    x = 14,717,443,668.33/139,896.06
  6. Step 6: Final answer
    x = 105,202.70

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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.