Home / 208,290.24-312,453.63-58,531.77

Finding the Fourth Proportional to 208,290.24, 312,453.63 and 58,531.77

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Solution

The fourth proportional to 208,290.24, 312,453.63 and 58,531.77 is: 87,802.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,290.24 : 312,453.63 = 58,531.77 : x
  2. Step 2: Convert to fraction form
    208,290.24/312,453.63 = 58,531.77/x
  3. Step 3: Cross multiply
    208,290.24x = 312,453.63 × 58,531.77
  4. Step 4: Simplify right side
    208,290.24x = 18,288,464,006.83
  5. Step 5: Solve for x
    x = 18,288,464,006.83/208,290.24
  6. Step 6: Final answer
    x = 87,802.79

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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.