Home / 289,467.81-433,453.82-199,787.18

Finding the Fourth Proportional to 289,467.81, 433,453.82 and 199,787.18

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Solution

The fourth proportional to 289,467.81, 433,453.82 and 199,787.18 is: 299,164.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,467.81 : 433,453.82 = 199,787.18 : x
  2. Step 2: Convert to fraction form
    289,467.81/433,453.82 = 199,787.18/x
  3. Step 3: Cross multiply
    289,467.81x = 433,453.82 × 199,787.18
  4. Step 4: Simplify right side
    289,467.81x = 86,598,513,191.82
  5. Step 5: Solve for x
    x = 86,598,513,191.82/289,467.81
  6. Step 6: Final answer
    x = 299,164.57

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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.