Home / 401,928.94-603,011.84-161,919.34

Finding the Fourth Proportional to 401,928.94, 603,011.84 and 161,919.34

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Solution

The fourth proportional to 401,928.94, 603,011.84 and 161,919.34 is: 242,926.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,928.94 : 603,011.84 = 161,919.34 : x
  2. Step 2: Convert to fraction form
    401,928.94/603,011.84 = 161,919.34/x
  3. Step 3: Cross multiply
    401,928.94x = 603,011.84 × 161,919.34
  4. Step 4: Simplify right side
    401,928.94x = 97,639,279,144.99
  5. Step 5: Solve for x
    x = 97,639,279,144.99/401,928.94
  6. Step 6: Final answer
    x = 242,926.72

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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.