Home / 119,933.88-180,049.86-77,675.64

Finding the Fourth Proportional to 119,933.88, 180,049.86 and 77,675.64

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Solution

The fourth proportional to 119,933.88, 180,049.86 and 77,675.64 is: 116,609.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,933.88 : 180,049.86 = 77,675.64 : x
  2. Step 2: Convert to fraction form
    119,933.88/180,049.86 = 77,675.64/x
  3. Step 3: Cross multiply
    119,933.88x = 180,049.86 × 77,675.64
  4. Step 4: Simplify right side
    119,933.88x = 13,985,488,107.41
  5. Step 5: Solve for x
    x = 13,985,488,107.41/119,933.88
  6. Step 6: Final answer
    x = 116,609.99

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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.