Home / 195,949.90-294,055.76-71,290.90

Finding the Fourth Proportional to 195,949.90, 294,055.76 and 71,290.90

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Solution

The fourth proportional to 195,949.90, 294,055.76 and 71,290.90 is: 106,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,949.90 : 294,055.76 = 71,290.90 : x
  2. Step 2: Convert to fraction form
    195,949.90/294,055.76 = 71,290.90/x
  3. Step 3: Cross multiply
    195,949.90x = 294,055.76 × 71,290.90
  4. Step 4: Simplify right side
    195,949.90x = 20,963,499,780.58
  5. Step 5: Solve for x
    x = 20,963,499,780.58/195,949.90
  6. Step 6: Final answer
    x = 106,983.98

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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.