Home / 154,245.48-231,367.77-54,381.59

Finding the Fourth Proportional to 154,245.48, 231,367.77 and 54,381.59

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Solution

The fourth proportional to 154,245.48, 231,367.77 and 54,381.59 is: 81,572.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,245.48 : 231,367.77 = 54,381.59 : x
  2. Step 2: Convert to fraction form
    154,245.48/231,367.77 = 54,381.59/x
  3. Step 3: Cross multiply
    154,245.48x = 231,367.77 × 54,381.59
  4. Step 4: Simplify right side
    154,245.48x = 12,582,148,066.64
  5. Step 5: Solve for x
    x = 12,582,148,066.64/154,245.48
  6. Step 6: Final answer
    x = 81,572.23

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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.