Home / 120,437.46-166,198.96-66,723.32

Finding the Fourth Proportional to 120,437.46, 166,198.96 and 66,723.32

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Solution

The fourth proportional to 120,437.46, 166,198.96 and 66,723.32 is: 92,075.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,437.46 : 166,198.96 = 66,723.32 : x
  2. Step 2: Convert to fraction form
    120,437.46/166,198.96 = 66,723.32/x
  3. Step 3: Cross multiply
    120,437.46x = 166,198.96 × 66,723.32
  4. Step 4: Simplify right side
    120,437.46x = 11,089,346,391.75
  5. Step 5: Solve for x
    x = 11,089,346,391.75/120,437.46
  6. Step 6: Final answer
    x = 92,075.56

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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.