Home / 345,454.29-518,110.02-92,674.85

Finding the Fourth Proportional to 345,454.29, 518,110.02 and 92,674.85

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Solution

The fourth proportional to 345,454.29, 518,110.02 and 92,674.85 is: 138,993.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,454.29 : 518,110.02 = 92,674.85 : x
  2. Step 2: Convert to fraction form
    345,454.29/518,110.02 = 92,674.85/x
  3. Step 3: Cross multiply
    345,454.29x = 518,110.02 × 92,674.85
  4. Step 4: Simplify right side
    345,454.29x = 48,015,765,796.45
  5. Step 5: Solve for x
    x = 48,015,765,796.45/345,454.29
  6. Step 6: Final answer
    x = 138,993.11

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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.