Home / 190,432.16-262,786.92-105,548.48

Finding the Fourth Proportional to 190,432.16, 262,786.92 and 105,548.48

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Solution

The fourth proportional to 190,432.16, 262,786.92 and 105,548.48 is: 145,651.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,432.16 : 262,786.92 = 105,548.48 : x
  2. Step 2: Convert to fraction form
    190,432.16/262,786.92 = 105,548.48/x
  3. Step 3: Cross multiply
    190,432.16x = 262,786.92 × 105,548.48
  4. Step 4: Simplify right side
    190,432.16x = 27,736,759,969.88
  5. Step 5: Solve for x
    x = 27,736,759,969.88/190,432.16
  6. Step 6: Final answer
    x = 145,651.66

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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.