Home / 190,780.32-263,223.50-119,233.02

Finding the Fourth Proportional to 190,780.32, 263,223.50 and 119,233.02

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Solution

The fourth proportional to 190,780.32, 263,223.50 and 119,233.02 is: 164,508.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,780.32 : 263,223.50 = 119,233.02 : x
  2. Step 2: Convert to fraction form
    190,780.32/263,223.50 = 119,233.02/x
  3. Step 3: Cross multiply
    190,780.32x = 263,223.50 × 119,233.02
  4. Step 4: Simplify right side
    190,780.32x = 31,384,932,243.80
  5. Step 5: Solve for x
    x = 31,384,932,243.80/190,780.32
  6. Step 6: Final answer
    x = 164,508.23

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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.