Home / 208,242.27-287,343.32-117,596.43

Finding the Fourth Proportional to 208,242.27, 287,343.32 and 117,596.43

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Solution

The fourth proportional to 208,242.27, 287,343.32 and 117,596.43 is: 162,265.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,242.27 : 287,343.32 = 117,596.43 : x
  2. Step 2: Convert to fraction form
    208,242.27/287,343.32 = 117,596.43/x
  3. Step 3: Cross multiply
    208,242.27x = 287,343.32 × 117,596.43
  4. Step 4: Simplify right side
    208,242.27x = 33,790,549,828.74
  5. Step 5: Solve for x
    x = 33,790,549,828.74/208,242.27
  6. Step 6: Final answer
    x = 162,265.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.