Home / 189,827.34-261,953.42-109,257.45

Finding the Fourth Proportional to 189,827.34, 261,953.42 and 109,257.45

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Solution

The fourth proportional to 189,827.34, 261,953.42 and 109,257.45 is: 150,770.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,827.34 : 261,953.42 = 109,257.45 : x
  2. Step 2: Convert to fraction form
    189,827.34/261,953.42 = 109,257.45/x
  3. Step 3: Cross multiply
    189,827.34x = 261,953.42 × 109,257.45
  4. Step 4: Simplify right side
    189,827.34x = 28,620,362,687.98
  5. Step 5: Solve for x
    x = 28,620,362,687.98/189,827.34
  6. Step 6: Final answer
    x = 150,770.50

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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.