Home / 283,916.23-425,956.50-91,786.56

Finding the Fourth Proportional to 283,916.23, 425,956.50 and 91,786.56

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Solution

The fourth proportional to 283,916.23, 425,956.50 and 91,786.56 is: 137,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,916.23 : 425,956.50 = 91,786.56 : x
  2. Step 2: Convert to fraction form
    283,916.23/425,956.50 = 91,786.56/x
  3. Step 3: Cross multiply
    283,916.23x = 425,956.50 × 91,786.56
  4. Step 4: Simplify right side
    283,916.23x = 39,097,081,844.64
  5. Step 5: Solve for x
    x = 39,097,081,844.64/283,916.23
  6. Step 6: Final answer
    x = 137,706.40

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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.