Home / 119,890.52-165,438.44-76,793.98

Finding the Fourth Proportional to 119,890.52, 165,438.44 and 76,793.98

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Solution

The fourth proportional to 119,890.52, 165,438.44 and 76,793.98 is: 105,968.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,890.52 : 165,438.44 = 76,793.98 : x
  2. Step 2: Convert to fraction form
    119,890.52/165,438.44 = 76,793.98/x
  3. Step 3: Cross multiply
    119,890.52x = 165,438.44 × 76,793.98
  4. Step 4: Simplify right side
    119,890.52x = 12,704,676,252.59
  5. Step 5: Solve for x
    x = 12,704,676,252.59/119,890.52
  6. Step 6: Final answer
    x = 105,968.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.