Home / 180,827.92-270,709.79-120,707.27

Finding the Fourth Proportional to 180,827.92, 270,709.79 and 120,707.27

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Solution

The fourth proportional to 180,827.92, 270,709.79 and 120,707.27 is: 180,705.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,827.92 : 270,709.79 = 120,707.27 : x
  2. Step 2: Convert to fraction form
    180,827.92/270,709.79 = 120,707.27/x
  3. Step 3: Cross multiply
    180,827.92x = 270,709.79 × 120,707.27
  4. Step 4: Simplify right side
    180,827.92x = 32,676,639,786.41
  5. Step 5: Solve for x
    x = 32,676,639,786.41/180,827.92
  6. Step 6: Final answer
    x = 180,705.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.