Home / 189,576.89-261,622.57-112,118.94

Finding the Fourth Proportional to 189,576.89, 261,622.57 and 112,118.94

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Solution

The fourth proportional to 189,576.89, 261,622.57 and 112,118.94 is: 154,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,576.89 : 261,622.57 = 112,118.94 : x
  2. Step 2: Convert to fraction form
    189,576.89/261,622.57 = 112,118.94/x
  3. Step 3: Cross multiply
    189,576.89x = 261,622.57 × 112,118.94
  4. Step 4: Simplify right side
    189,576.89x = 29,332,843,359.77
  5. Step 5: Solve for x
    x = 29,332,843,359.77/189,576.89
  6. Step 6: Final answer
    x = 154,727.95

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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.