Home / 208,080.24-287,148.69-112,584.84

Finding the Fourth Proportional to 208,080.24, 287,148.69 and 112,584.84

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Solution

The fourth proportional to 208,080.24, 287,148.69 and 112,584.84 is: 155,365.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,080.24 : 287,148.69 = 112,584.84 : x
  2. Step 2: Convert to fraction form
    208,080.24/287,148.69 = 112,584.84/x
  3. Step 3: Cross multiply
    208,080.24x = 287,148.69 × 112,584.84
  4. Step 4: Simplify right side
    208,080.24x = 32,328,589,319.86
  5. Step 5: Solve for x
    x = 32,328,589,319.86/208,080.24
  6. Step 6: Final answer
    x = 155,365.97

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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.