Home / 208,276.96-312,366.68-58,531.56

Finding the Fourth Proportional to 208,276.96, 312,366.68 and 58,531.56

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Solution

The fourth proportional to 208,276.96, 312,366.68 and 58,531.56 is: 87,783.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,276.96 : 312,366.68 = 58,531.56 : x
  2. Step 2: Convert to fraction form
    208,276.96/312,366.68 = 58,531.56/x
  3. Step 3: Cross multiply
    208,276.96x = 312,366.68 × 58,531.56
  4. Step 4: Simplify right side
    208,276.96x = 18,283,309,072.42
  5. Step 5: Solve for x
    x = 18,283,309,072.42/208,276.96
  6. Step 6: Final answer
    x = 87,783.64

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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.