Home / 106,818.60-160,179.30-47,623.80

Finding the Fourth Proportional to 106,818.60, 160,179.30 and 47,623.80

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Solution

The fourth proportional to 106,818.60, 160,179.30 and 47,623.80 is: 71,414.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,818.60 : 160,179.30 = 47,623.80 : x
  2. Step 2: Convert to fraction form
    106,818.60/160,179.30 = 47,623.80/x
  3. Step 3: Cross multiply
    106,818.60x = 160,179.30 × 47,623.80
  4. Step 4: Simplify right side
    106,818.60x = 7,628,346,947.34
  5. Step 5: Solve for x
    x = 7,628,346,947.34/106,818.60
  6. Step 6: Final answer
    x = 71,414.03

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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.