Home / 345,885.32-518,985.61-177,523.85

Finding the Fourth Proportional to 345,885.32, 518,985.61 and 177,523.85

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Solution

The fourth proportional to 345,885.32, 518,985.61 and 177,523.85 is: 266,366.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,885.32 : 518,985.61 = 177,523.85 : x
  2. Step 2: Convert to fraction form
    345,885.32/518,985.61 = 177,523.85/x
  3. Step 3: Cross multiply
    345,885.32x = 518,985.61 × 177,523.85
  4. Step 4: Simplify right side
    345,885.32x = 92,132,324,435.45
  5. Step 5: Solve for x
    x = 92,132,324,435.45/345,885.32
  6. Step 6: Final answer
    x = 266,366.68

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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.