Home / 189,812.04-261,932.49-103,769.43

Finding the Fourth Proportional to 189,812.04, 261,932.49 and 103,769.43

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Solution

The fourth proportional to 189,812.04, 261,932.49 and 103,769.43 is: 143,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,812.04 : 261,932.49 = 103,769.43 : x
  2. Step 2: Convert to fraction form
    189,812.04/261,932.49 = 103,769.43/x
  3. Step 3: Cross multiply
    189,812.04x = 261,932.49 × 103,769.43
  4. Step 4: Simplify right side
    189,812.04x = 27,180,585,185.78
  5. Step 5: Solve for x
    x = 27,180,585,185.78/189,812.04
  6. Step 6: Final answer
    x = 143,197.37

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1.5x scale

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.