Home / 190,890.36-263,560.50-119,302.56

Finding the Fourth Proportional to 190,890.36, 263,560.50 and 119,302.56

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Solution

The fourth proportional to 190,890.36, 263,560.50 and 119,302.56 is: 164,719.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,890.36 : 263,560.50 = 119,302.56 : x
  2. Step 2: Convert to fraction form
    190,890.36/263,560.50 = 119,302.56/x
  3. Step 3: Cross multiply
    190,890.36x = 263,560.50 × 119,302.56
  4. Step 4: Simplify right side
    190,890.36x = 31,443,442,364.88
  5. Step 5: Solve for x
    x = 31,443,442,364.88/190,890.36
  6. Step 6: Final answer
    x = 164,719.91

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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.