Home / 120,980.04-166,944.62-67,263.68

Finding the Fourth Proportional to 120,980.04, 166,944.62 and 67,263.68

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Solution

The fourth proportional to 120,980.04, 166,944.62 and 67,263.68 is: 92,819.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,980.04 : 166,944.62 = 67,263.68 : x
  2. Step 2: Convert to fraction form
    120,980.04/166,944.62 = 67,263.68/x
  3. Step 3: Cross multiply
    120,980.04x = 166,944.62 × 67,263.68
  4. Step 4: Simplify right side
    120,980.04x = 11,229,308,326.36
  5. Step 5: Solve for x
    x = 11,229,308,326.36/120,980.04
  6. Step 6: Final answer
    x = 92,819.51

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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.