Home / 190,972.73-263,425.59-113,395.79

Finding the Fourth Proportional to 190,972.73, 263,425.59 and 113,395.79

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Solution

The fourth proportional to 190,972.73, 263,425.59 and 113,395.79 is: 156,416.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,972.73 : 263,425.59 = 113,395.79 : x
  2. Step 2: Convert to fraction form
    190,972.73/263,425.59 = 113,395.79/x
  3. Step 3: Cross multiply
    190,972.73x = 263,425.59 × 113,395.79
  4. Step 4: Simplify right side
    190,972.73x = 29,871,353,542.83
  5. Step 5: Solve for x
    x = 29,871,353,542.83/190,972.73
  6. Step 6: Final answer
    x = 156,416.85

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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.