Home / 208,566.88-312,895.86-75,433.24

Finding the Fourth Proportional to 208,566.88, 312,895.86 and 75,433.24

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Solution

The fourth proportional to 208,566.88, 312,895.86 and 75,433.24 is: 113,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,566.88 : 312,895.86 = 75,433.24 : x
  2. Step 2: Convert to fraction form
    208,566.88/312,895.86 = 75,433.24/x
  3. Step 3: Cross multiply
    208,566.88x = 312,895.86 × 75,433.24
  4. Step 4: Simplify right side
    208,566.88x = 23,602,748,502.39
  5. Step 5: Solve for x
    x = 23,602,748,502.39/208,566.88
  6. Step 6: Final answer
    x = 113,166.33

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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.