Home / 120,477.14-166,259.44-66,763.05

Finding the Fourth Proportional to 120,477.14, 166,259.44 and 66,763.05

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Solution

The fourth proportional to 120,477.14, 166,259.44 and 66,763.05 is: 92,133.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,477.14 : 166,259.44 = 66,763.05 : x
  2. Step 2: Convert to fraction form
    120,477.14/166,259.44 = 66,763.05/x
  3. Step 3: Cross multiply
    120,477.14x = 166,259.44 × 66,763.05
  4. Step 4: Simplify right side
    120,477.14x = 11,099,987,325.34
  5. Step 5: Solve for x
    x = 11,099,987,325.34/120,477.14
  6. Step 6: Final answer
    x = 92,133.56

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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.