Home / 120,807.05-166,715.82-67,097.03

Finding the Fourth Proportional to 120,807.05, 166,715.82 and 67,097.03

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Solution

The fourth proportional to 120,807.05, 166,715.82 and 67,097.03 is: 92,595.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,807.05 : 166,715.82 = 67,097.03 : x
  2. Step 2: Convert to fraction form
    120,807.05/166,715.82 = 67,097.03/x
  3. Step 3: Cross multiply
    120,807.05x = 166,715.82 × 67,097.03
  4. Step 4: Simplify right side
    120,807.05x = 11,186,135,542.44
  5. Step 5: Solve for x
    x = 11,186,135,542.44/120,807.05
  6. Step 6: Final answer
    x = 92,595.06

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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.