Home / 345,846.84-518,823.90-146,168.07

Finding the Fourth Proportional to 345,846.84, 518,823.90 and 146,168.07

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Solution

The fourth proportional to 345,846.84, 518,823.90 and 146,168.07 is: 219,274.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,846.84 : 518,823.90 = 146,168.07 : x
  2. Step 2: Convert to fraction form
    345,846.84/518,823.90 = 146,168.07/x
  3. Step 3: Cross multiply
    345,846.84x = 518,823.90 × 146,168.07
  4. Step 4: Simplify right side
    345,846.84x = 75,835,488,132.87
  5. Step 5: Solve for x
    x = 75,835,488,132.87/345,846.84
  6. Step 6: Final answer
    x = 219,274.78

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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.