Home / 120,846.96-166,780.08-73,112.04

Finding the Fourth Proportional to 120,846.96, 166,780.08 and 73,112.04

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Solution

The fourth proportional to 120,846.96, 166,780.08 and 73,112.04 is: 100,901.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,846.96 : 166,780.08 = 73,112.04 : x
  2. Step 2: Convert to fraction form
    120,846.96/166,780.08 = 73,112.04/x
  3. Step 3: Cross multiply
    120,846.96x = 166,780.08 × 73,112.04
  4. Step 4: Simplify right side
    120,846.96x = 12,193,631,880.16
  5. Step 5: Solve for x
    x = 12,193,631,880.16/120,846.96
  6. Step 6: Final answer
    x = 100,901.44

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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.