Home / 216,266.28-323,964.45-107,868.84

Finding the Fourth Proportional to 216,266.28, 323,964.45 and 107,868.84

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Solution

The fourth proportional to 216,266.28, 323,964.45 and 107,868.84 is: 161,586.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,266.28 : 323,964.45 = 107,868.84 : x
  2. Step 2: Convert to fraction form
    216,266.28/323,964.45 = 107,868.84/x
  3. Step 3: Cross multiply
    216,266.28x = 323,964.45 × 107,868.84
  4. Step 4: Simplify right side
    216,266.28x = 34,945,669,422.74
  5. Step 5: Solve for x
    x = 34,945,669,422.74/216,266.28
  6. Step 6: Final answer
    x = 161,586.31

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1.5x scale

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.