Home / 120,583.65-166,405.89-66,873.63

Finding the Fourth Proportional to 120,583.65, 166,405.89 and 66,873.63

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Solution

The fourth proportional to 120,583.65, 166,405.89 and 66,873.63 is: 92,285.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,583.65 : 166,405.89 = 66,873.63 : x
  2. Step 2: Convert to fraction form
    120,583.65/166,405.89 = 66,873.63/x
  3. Step 3: Cross multiply
    120,583.65x = 166,405.89 × 66,873.63
  4. Step 4: Simplify right side
    120,583.65x = 11,128,165,917.68
  5. Step 5: Solve for x
    x = 11,128,165,917.68/120,583.65
  6. Step 6: Final answer
    x = 92,285.86

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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.