Home / 401,928.44-603,011.09-161,918.84

Finding the Fourth Proportional to 401,928.44, 603,011.09 and 161,918.84

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Solution

The fourth proportional to 401,928.44, 603,011.09 and 161,918.84 is: 242,925.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,928.44 : 603,011.09 = 161,918.84 : x
  2. Step 2: Convert to fraction form
    401,928.44/603,011.09 = 161,918.84/x
  3. Step 3: Cross multiply
    401,928.44x = 603,011.09 × 161,918.84
  4. Step 4: Simplify right side
    401,928.44x = 97,638,856,199.94
  5. Step 5: Solve for x
    x = 97,638,856,199.94/401,928.44
  6. Step 6: Final answer
    x = 242,925.97

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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.