Home / 101,183.34-139,503.21-82,966.95

Finding the Fourth Proportional to 101,183.34, 139,503.21 and 82,966.95

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Solution

The fourth proportional to 101,183.34, 139,503.21 and 82,966.95 is: 114,387.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,183.34 : 139,503.21 = 82,966.95 : x
  2. Step 2: Convert to fraction form
    101,183.34/139,503.21 = 82,966.95/x
  3. Step 3: Cross multiply
    101,183.34x = 139,503.21 × 82,966.95
  4. Step 4: Simplify right side
    101,183.34x = 11,574,156,004.47
  5. Step 5: Solve for x
    x = 11,574,156,004.47/101,183.34
  6. Step 6: Final answer
    x = 114,387.96

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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.