Home / 140,603.95-194,033.41-76,941.73

Finding the Fourth Proportional to 140,603.95, 194,033.41 and 76,941.73

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Solution

The fourth proportional to 140,603.95, 194,033.41 and 76,941.73 is: 106,179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,603.95 : 194,033.41 = 76,941.73 : x
  2. Step 2: Convert to fraction form
    140,603.95/194,033.41 = 76,941.73/x
  3. Step 3: Cross multiply
    140,603.95x = 194,033.41 × 76,941.73
  4. Step 4: Simplify right side
    140,603.95x = 14,929,266,243.20
  5. Step 5: Solve for x
    x = 14,929,266,243.20/140,603.95
  6. Step 6: Final answer
    x = 106,179.56

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1.5x scale

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.