Home / 119,732.60-179,623.20-40,854.80

Finding the Fourth Proportional to 119,732.60, 179,623.20 and 40,854.80

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Solution

The fourth proportional to 119,732.60, 179,623.20 and 40,854.80 is: 61,290.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,732.60 : 179,623.20 = 40,854.80 : x
  2. Step 2: Convert to fraction form
    119,732.60/179,623.20 = 40,854.80/x
  3. Step 3: Cross multiply
    119,732.60x = 179,623.20 × 40,854.80
  4. Step 4: Simplify right side
    119,732.60x = 7,338,469,911.36
  5. Step 5: Solve for x
    x = 7,338,469,911.36/119,732.60
  6. Step 6: Final answer
    x = 61,290.49

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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.