Home / 291,418.94-436,869.08-113,885.58

Finding the Fourth Proportional to 291,418.94, 436,869.08 and 113,885.58

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Solution

The fourth proportional to 291,418.94, 436,869.08 and 113,885.58 is: 170,727.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,418.94 : 436,869.08 = 113,885.58 : x
  2. Step 2: Convert to fraction form
    291,418.94/436,869.08 = 113,885.58/x
  3. Step 3: Cross multiply
    291,418.94x = 436,869.08 × 113,885.58
  4. Step 4: Simplify right side
    291,418.94x = 49,753,088,559.87
  5. Step 5: Solve for x
    x = 49,753,088,559.87/291,418.94
  6. Step 6: Final answer
    x = 170,727.02

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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.