Home / 208,834.34-288,195.66-118,190.25

Finding the Fourth Proportional to 208,834.34, 288,195.66 and 118,190.25

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Solution

The fourth proportional to 208,834.34, 288,195.66 and 118,190.25 is: 163,104.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,834.34 : 288,195.66 = 118,190.25 : x
  2. Step 2: Convert to fraction form
    208,834.34/288,195.66 = 118,190.25/x
  3. Step 3: Cross multiply
    208,834.34x = 288,195.66 × 118,190.25
  4. Step 4: Simplify right side
    208,834.34x = 34,061,917,104.32
  5. Step 5: Solve for x
    x = 34,061,917,104.32/208,834.34
  6. Step 6: Final answer
    x = 163,104.97

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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.