Home / 154,410.77-231,634.85-54,550.53

Finding the Fourth Proportional to 154,410.77, 231,634.85 and 54,550.53

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Solution

The fourth proportional to 154,410.77, 231,634.85 and 54,550.53 is: 81,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,410.77 : 231,634.85 = 54,550.53 : x
  2. Step 2: Convert to fraction form
    154,410.77/231,634.85 = 54,550.53/x
  3. Step 3: Cross multiply
    154,410.77x = 231,634.85 × 54,550.53
  4. Step 4: Simplify right side
    154,410.77x = 12,635,803,697.59
  5. Step 5: Solve for x
    x = 12,635,803,697.59/154,410.77
  6. Step 6: Final answer
    x = 81,832.40

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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.