Home / 180,828.92-270,711.28-120,708.27

Finding the Fourth Proportional to 180,828.92, 270,711.28 and 120,708.27

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Solution

The fourth proportional to 180,828.92, 270,711.28 and 120,708.27 is: 180,707.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,828.92 : 270,711.28 = 120,708.27 : x
  2. Step 2: Convert to fraction form
    180,828.92/270,711.28 = 120,708.27/x
  3. Step 3: Cross multiply
    180,828.92x = 270,711.28 × 120,708.27
  4. Step 4: Simplify right side
    180,828.92x = 32,677,090,278.29
  5. Step 5: Solve for x
    x = 32,677,090,278.29/180,828.92
  6. Step 6: Final answer
    x = 180,707.21

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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.