Home / 190,785.88-263,285.52-119,207.38

Finding the Fourth Proportional to 190,785.88, 263,285.52 and 119,207.38

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Solution

The fourth proportional to 190,785.88, 263,285.52 and 119,207.38 is: 164,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,785.88 : 263,285.52 = 119,207.38 : x
  2. Step 2: Convert to fraction form
    190,785.88/263,285.52 = 119,207.38/x
  3. Step 3: Cross multiply
    190,785.88x = 263,285.52 × 119,207.38
  4. Step 4: Simplify right side
    190,785.88x = 31,385,577,031.14
  5. Step 5: Solve for x
    x = 31,385,577,031.14/190,785.88
  6. Step 6: Final answer
    x = 164,506.81

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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.