Home / 120,580.86-180,901.26-36,339.24

Finding the Fourth Proportional to 120,580.86, 180,901.26 and 36,339.24

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Solution

The fourth proportional to 120,580.86, 180,901.26 and 36,339.24 is: 54,517.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,580.86 : 180,901.26 = 36,339.24 : x
  2. Step 2: Convert to fraction form
    120,580.86/180,901.26 = 36,339.24/x
  3. Step 3: Cross multiply
    120,580.86x = 180,901.26 × 36,339.24
  4. Step 4: Simplify right side
    120,580.86x = 6,573,814,303.44
  5. Step 5: Solve for x
    x = 6,573,814,303.44/120,580.86
  6. Step 6: Final answer
    x = 54,517.89

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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.