Home / 154,181.68-231,298.89-52,974.88

Finding the Fourth Proportional to 154,181.68, 231,298.89 and 52,974.88

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Solution

The fourth proportional to 154,181.68, 231,298.89 and 52,974.88 is: 79,471.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,181.68 : 231,298.89 = 52,974.88 : x
  2. Step 2: Convert to fraction form
    154,181.68/231,298.89 = 52,974.88/x
  3. Step 3: Cross multiply
    154,181.68x = 231,298.89 × 52,974.88
  4. Step 4: Simplify right side
    154,181.68x = 12,253,030,941.88
  5. Step 5: Solve for x
    x = 12,253,030,941.88/154,181.68
  6. Step 6: Final answer
    x = 79,471.38

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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.