Home / 523,286.19-784,789.16-144,116.80

Finding the Fourth Proportional to 523,286.19, 784,789.16 and 144,116.80

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Solution

The fourth proportional to 523,286.19, 784,789.16 and 144,116.80 is: 216,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,286.19 : 784,789.16 = 144,116.80 : x
  2. Step 2: Convert to fraction form
    523,286.19/784,789.16 = 144,116.80/x
  3. Step 3: Cross multiply
    523,286.19x = 784,789.16 × 144,116.80
  4. Step 4: Simplify right side
    523,286.19x = 113,101,299,731.33
  5. Step 5: Solve for x
    x = 113,101,299,731.33/523,286.19
  6. Step 6: Final answer
    x = 216,136.60

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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.