Home / 190,964.70-263,538.76-130,661.82

Finding the Fourth Proportional to 190,964.70, 263,538.76 and 130,661.82

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Solution

The fourth proportional to 190,964.70, 263,538.76 and 130,661.82 is: 180,318.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,964.70 : 263,538.76 = 130,661.82 : x
  2. Step 2: Convert to fraction form
    190,964.70/263,538.76 = 130,661.82/x
  3. Step 3: Cross multiply
    190,964.70x = 263,538.76 × 130,661.82
  4. Step 4: Simplify right side
    190,964.70x = 34,434,452,377.79
  5. Step 5: Solve for x
    x = 34,434,452,377.79/190,964.70
  6. Step 6: Final answer
    x = 180,318.42

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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.