Home / 120,267.86-180,473.06-67,004.42

Finding the Fourth Proportional to 120,267.86, 180,473.06 and 67,004.42

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Solution

The fourth proportional to 120,267.86, 180,473.06 and 67,004.42 is: 100,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,267.86 : 180,473.06 = 67,004.42 : x
  2. Step 2: Convert to fraction form
    120,267.86/180,473.06 = 67,004.42/x
  3. Step 3: Cross multiply
    120,267.86x = 180,473.06 × 67,004.42
  4. Step 4: Simplify right side
    120,267.86x = 12,092,491,976.07
  5. Step 5: Solve for x
    x = 12,092,491,976.07/120,267.86
  6. Step 6: Final answer
    x = 100,546.33

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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.