Home / 180,826.56-270,707.76-120,705.92

Finding the Fourth Proportional to 180,826.56, 270,707.76 and 120,705.92

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Solution

The fourth proportional to 180,826.56, 270,707.76 and 120,705.92 is: 180,703.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,826.56 : 270,707.76 = 120,705.92 : x
  2. Step 2: Convert to fraction form
    180,826.56/270,707.76 = 120,705.92/x
  3. Step 3: Cross multiply
    180,826.56x = 270,707.76 × 120,705.92
  4. Step 4: Simplify right side
    180,826.56x = 32,676,027,603.26
  5. Step 5: Solve for x
    x = 32,676,027,603.26/180,826.56
  6. Step 6: Final answer
    x = 180,703.69

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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.