Home / 199,763.32-275,728.98-114,907.72

Finding the Fourth Proportional to 199,763.32, 275,728.98 and 114,907.72

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Solution

The fourth proportional to 199,763.32, 275,728.98 and 114,907.72 is: 158,604.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,763.32 : 275,728.98 = 114,907.72 : x
  2. Step 2: Convert to fraction form
    199,763.32/275,728.98 = 114,907.72/x
  3. Step 3: Cross multiply
    199,763.32x = 275,728.98 × 114,907.72
  4. Step 4: Simplify right side
    199,763.32x = 31,683,388,429.73
  5. Step 5: Solve for x
    x = 31,683,388,429.73/199,763.32
  6. Step 6: Final answer
    x = 158,604.63

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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.