Home / 190,096.86-262,329.75-105,208.86

Finding the Fourth Proportional to 190,096.86, 262,329.75 and 105,208.86

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Solution

The fourth proportional to 190,096.86, 262,329.75 and 105,208.86 is: 145,186.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,096.86 : 262,329.75 = 105,208.86 : x
  2. Step 2: Convert to fraction form
    190,096.86/262,329.75 = 105,208.86/x
  3. Step 3: Cross multiply
    190,096.86x = 262,329.75 × 105,208.86
  4. Step 4: Simplify right side
    190,096.86x = 27,599,413,941.59
  5. Step 5: Solve for x
    x = 27,599,413,941.59/190,096.86
  6. Step 6: Final answer
    x = 145,186.06

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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.