Home / 208,236.74-312,367.86-58,489.22

Finding the Fourth Proportional to 208,236.74, 312,367.86 and 58,489.22

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Solution

The fourth proportional to 208,236.74, 312,367.86 and 58,489.22 is: 87,737.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,236.74 : 312,367.86 = 58,489.22 : x
  2. Step 2: Convert to fraction form
    208,236.74/312,367.86 = 58,489.22/x
  3. Step 3: Cross multiply
    208,236.74x = 312,367.86 × 58,489.22
  4. Step 4: Simplify right side
    208,236.74x = 18,270,152,484.47
  5. Step 5: Solve for x
    x = 18,270,152,484.47/208,236.74
  6. Step 6: Final answer
    x = 87,737.41

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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.