Home / 189,517.34-261,527.18-104,634.20

Finding the Fourth Proportional to 189,517.34, 261,527.18 and 104,634.20

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Solution

The fourth proportional to 189,517.34, 261,527.18 and 104,634.20 is: 144,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,517.34 : 261,527.18 = 104,634.20 : x
  2. Step 2: Convert to fraction form
    189,517.34/261,527.18 = 104,634.20/x
  3. Step 3: Cross multiply
    189,517.34x = 261,527.18 × 104,634.20
  4. Step 4: Simplify right side
    189,517.34x = 27,364,687,257.56
  5. Step 5: Solve for x
    x = 27,364,687,257.56/189,517.34
  6. Step 6: Final answer
    x = 144,391.47

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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.