Home / 112,173.24-154,484.10-109,723.80

Finding the Fourth Proportional to 112,173.24, 154,484.10 and 109,723.80

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Solution

The fourth proportional to 112,173.24, 154,484.10 and 109,723.80 is: 151,110.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,173.24 : 154,484.10 = 109,723.80 : x
  2. Step 2: Convert to fraction form
    112,173.24/154,484.10 = 109,723.80/x
  3. Step 3: Cross multiply
    112,173.24x = 154,484.10 × 109,723.80
  4. Step 4: Simplify right side
    112,173.24x = 16,950,582,491.58
  5. Step 5: Solve for x
    x = 16,950,582,491.58/112,173.24
  6. Step 6: Final answer
    x = 151,110.75

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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.