Home / 121,261.46-181,847.84-46,344.56

Finding the Fourth Proportional to 121,261.46, 181,847.84 and 46,344.56

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Solution

The fourth proportional to 121,261.46, 181,847.84 and 46,344.56 is: 69,499.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,261.46 : 181,847.84 = 46,344.56 : x
  2. Step 2: Convert to fraction form
    121,261.46/181,847.84 = 46,344.56/x
  3. Step 3: Cross multiply
    121,261.46x = 181,847.84 × 46,344.56
  4. Step 4: Simplify right side
    121,261.46x = 8,427,656,990.79
  5. Step 5: Solve for x
    x = 8,427,656,990.79/121,261.46
  6. Step 6: Final answer
    x = 69,499.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.