Home / 345,120.66-517,214.43-179,025.30

Finding the Fourth Proportional to 345,120.66, 517,214.43 and 179,025.30

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Solution

The fourth proportional to 345,120.66, 517,214.43 and 179,025.30 is: 268,295.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,120.66 : 517,214.43 = 179,025.30 : x
  2. Step 2: Convert to fraction form
    345,120.66/517,214.43 = 179,025.30/x
  3. Step 3: Cross multiply
    345,120.66x = 517,214.43 × 179,025.30
  4. Step 4: Simplify right side
    345,120.66x = 92,594,468,495.08
  5. Step 5: Solve for x
    x = 92,594,468,495.08/345,120.66
  6. Step 6: Final answer
    x = 268,295.93

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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.