Home / 361,325.28-498,628.53-200,190.36

Finding the Fourth Proportional to 361,325.28, 498,628.53 and 200,190.36

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Solution

The fourth proportional to 361,325.28, 498,628.53 and 200,190.36 is: 276,262.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,325.28 : 498,628.53 = 200,190.36 : x
  2. Step 2: Convert to fraction form
    361,325.28/498,628.53 = 200,190.36/x
  3. Step 3: Cross multiply
    361,325.28x = 498,628.53 × 200,190.36
  4. Step 4: Simplify right side
    361,325.28x = 99,820,624,926.97
  5. Step 5: Solve for x
    x = 99,820,624,926.97/361,325.28
  6. Step 6: Final answer
    x = 276,262.50

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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.