Home / 454,744.28-682,178.64-155,144.44

Finding the Fourth Proportional to 454,744.28, 682,178.64 and 155,144.44

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Solution

The fourth proportional to 454,744.28, 682,178.64 and 155,144.44 is: 232,737.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,744.28 : 682,178.64 = 155,144.44 : x
  2. Step 2: Convert to fraction form
    454,744.28/682,178.64 = 155,144.44/x
  3. Step 3: Cross multiply
    454,744.28x = 682,178.64 × 155,144.44
  4. Step 4: Simplify right side
    454,744.28x = 105,836,223,082.76
  5. Step 5: Solve for x
    x = 105,836,223,082.76/454,744.28
  6. Step 6: Final answer
    x = 232,737.89

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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.