Home / 209,539.47-289,164.45-114,046.85

Finding the Fourth Proportional to 209,539.47, 289,164.45 and 114,046.85

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Solution

The fourth proportional to 209,539.47, 289,164.45 and 114,046.85 is: 157,384.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,539.47 : 289,164.45 = 114,046.85 : x
  2. Step 2: Convert to fraction form
    209,539.47/289,164.45 = 114,046.85/x
  3. Step 3: Cross multiply
    209,539.47x = 289,164.45 × 114,046.85
  4. Step 4: Simplify right side
    209,539.47x = 32,978,293,208.66
  5. Step 5: Solve for x
    x = 32,978,293,208.66/209,539.47
  6. Step 6: Final answer
    x = 157,384.64

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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.