Home / 154,412.55-231,577.11-54,559.53

Finding the Fourth Proportional to 154,412.55, 231,577.11 and 54,559.53

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Solution

The fourth proportional to 154,412.55, 231,577.11 and 54,559.53 is: 81,824.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,412.55 : 231,577.11 = 54,559.53 : x
  2. Step 2: Convert to fraction form
    154,412.55/231,577.11 = 54,559.53/x
  3. Step 3: Cross multiply
    154,412.55x = 231,577.11 × 54,559.53
  4. Step 4: Simplify right side
    154,412.55x = 12,634,738,280.36
  5. Step 5: Solve for x
    x = 12,634,738,280.36/154,412.55
  6. Step 6: Final answer
    x = 81,824.56

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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.