Home / 120,981.18-166,944.48-67,262.94

Finding the Fourth Proportional to 120,981.18, 166,944.48 and 67,262.94

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Solution

The fourth proportional to 120,981.18, 166,944.48 and 67,262.94 is: 92,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,981.18 : 166,944.48 = 67,262.94 : x
  2. Step 2: Convert to fraction form
    120,981.18/166,944.48 = 67,262.94/x
  3. Step 3: Cross multiply
    120,981.18x = 166,944.48 × 67,262.94
  4. Step 4: Simplify right side
    120,981.18x = 11,229,176,541.57
  5. Step 5: Solve for x
    x = 11,229,176,541.57/120,981.18
  6. Step 6: Final answer
    x = 92,817.55

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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.