Home / 140,076.82-193,306.58-76,415.95

Finding the Fourth Proportional to 140,076.82, 193,306.58 and 76,415.95

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Solution

The fourth proportional to 140,076.82, 193,306.58 and 76,415.95 is: 105,454.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,076.82 : 193,306.58 = 76,415.95 : x
  2. Step 2: Convert to fraction form
    140,076.82/193,306.58 = 76,415.95/x
  3. Step 3: Cross multiply
    140,076.82x = 193,306.58 × 76,415.95
  4. Step 4: Simplify right side
    140,076.82x = 14,771,705,951.95
  5. Step 5: Solve for x
    x = 14,771,705,951.95/140,076.82
  6. Step 6: Final answer
    x = 105,454.32

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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.