Home / 119,380.60-164,813.31-79,148.83

Finding the Fourth Proportional to 119,380.60, 164,813.31 and 79,148.83

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Solution

The fourth proportional to 119,380.60, 164,813.31 and 79,148.83 is: 109,270.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,380.60 : 164,813.31 = 79,148.83 : x
  2. Step 2: Convert to fraction form
    119,380.60/164,813.31 = 79,148.83/x
  3. Step 3: Cross multiply
    119,380.60x = 164,813.31 × 79,148.83
  4. Step 4: Simplify right side
    119,380.60x = 13,044,780,654.93
  5. Step 5: Solve for x
    x = 13,044,780,654.93/119,380.60
  6. Step 6: Final answer
    x = 109,270.52

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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.