Home / 208,092.04-287,172.79-126,392.69

Finding the Fourth Proportional to 208,092.04, 287,172.79 and 126,392.69

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Solution

The fourth proportional to 208,092.04, 287,172.79 and 126,392.69 is: 174,425.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,092.04 : 287,172.79 = 126,392.69 : x
  2. Step 2: Convert to fraction form
    208,092.04/287,172.79 = 126,392.69/x
  3. Step 3: Cross multiply
    208,092.04x = 287,172.79 × 126,392.69
  4. Step 4: Simplify right side
    208,092.04x = 36,296,541,824.86
  5. Step 5: Solve for x
    x = 36,296,541,824.86/208,092.04
  6. Step 6: Final answer
    x = 174,425.42

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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.