Home / 190,903.86-263,579.13-119,316.06

Finding the Fourth Proportional to 190,903.86, 263,579.13 and 119,316.06

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Solution

The fourth proportional to 190,903.86, 263,579.13 and 119,316.06 is: 164,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,903.86 : 263,579.13 = 119,316.06 : x
  2. Step 2: Convert to fraction form
    190,903.86/263,579.13 = 119,316.06/x
  3. Step 3: Cross multiply
    190,903.86x = 263,579.13 × 119,316.06
  4. Step 4: Simplify right side
    190,903.86x = 31,449,223,289.83
  5. Step 5: Solve for x
    x = 31,449,223,289.83/190,903.86
  6. Step 6: Final answer
    x = 164,738.54

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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.