Home / 208,845.06-288,206.43-113,351.82

Finding the Fourth Proportional to 208,845.06, 288,206.43 and 113,351.82

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Solution

The fourth proportional to 208,845.06, 288,206.43 and 113,351.82 is: 156,425.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,845.06 : 288,206.43 = 113,351.82 : x
  2. Step 2: Convert to fraction form
    208,845.06/288,206.43 = 113,351.82/x
  3. Step 3: Cross multiply
    208,845.06x = 288,206.43 × 113,351.82
  4. Step 4: Simplify right side
    208,845.06x = 32,668,723,376.20
  5. Step 5: Solve for x
    x = 32,668,723,376.20/208,845.06
  6. Step 6: Final answer
    x = 156,425.65

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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.