Home / 120,836.08-166,757.40-73,098.16

Finding the Fourth Proportional to 120,836.08, 166,757.40 and 73,098.16

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Solution

The fourth proportional to 120,836.08, 166,757.40 and 73,098.16 is: 100,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,836.08 : 166,757.40 = 73,098.16 : x
  2. Step 2: Convert to fraction form
    120,836.08/166,757.40 = 73,098.16/x
  3. Step 3: Cross multiply
    120,836.08x = 166,757.40 × 73,098.16
  4. Step 4: Simplify right side
    120,836.08x = 12,189,659,106.38
  5. Step 5: Solve for x
    x = 12,189,659,106.38/120,836.08
  6. Step 6: Final answer
    x = 100,877.64

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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.