Home / 349,945.36-482,933.63-196,989.03

Finding the Fourth Proportional to 349,945.36, 482,933.63 and 196,989.03

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Solution

The fourth proportional to 349,945.36, 482,933.63 and 196,989.03 is: 271,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,945.36 : 482,933.63 = 196,989.03 : x
  2. Step 2: Convert to fraction form
    349,945.36/482,933.63 = 196,989.03/x
  3. Step 3: Cross multiply
    349,945.36x = 482,933.63 × 196,989.03
  4. Step 4: Simplify right side
    349,945.36x = 95,132,624,913.41
  5. Step 5: Solve for x
    x = 95,132,624,913.41/349,945.36
  6. Step 6: Final answer
    x = 271,849.94

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1.5x scale

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.