Home / 140,636.95-194,083.63-76,974.73

Finding the Fourth Proportional to 140,636.95, 194,083.63 and 76,974.73

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Solution

The fourth proportional to 140,636.95, 194,083.63 and 76,974.73 is: 106,227.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,636.95 : 194,083.63 = 76,974.73 : x
  2. Step 2: Convert to fraction form
    140,636.95/194,083.63 = 76,974.73/x
  3. Step 3: Cross multiply
    140,636.95x = 194,083.63 × 76,974.73
  4. Step 4: Simplify right side
    140,636.95x = 14,939,534,339.02
  5. Step 5: Solve for x
    x = 14,939,534,339.02/140,636.95
  6. Step 6: Final answer
    x = 106,227.66

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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.