Home / 193,009.36-289,842.88-125,656.12

Finding the Fourth Proportional to 193,009.36, 289,842.88 and 125,656.12

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Solution

The fourth proportional to 193,009.36, 289,842.88 and 125,656.12 is: 188,698.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,009.36 : 289,842.88 = 125,656.12 : x
  2. Step 2: Convert to fraction form
    193,009.36/289,842.88 = 125,656.12/x
  3. Step 3: Cross multiply
    193,009.36x = 289,842.88 × 125,656.12
  4. Step 4: Simplify right side
    193,009.36x = 36,420,531,710.43
  5. Step 5: Solve for x
    x = 36,420,531,710.43/193,009.36
  6. Step 6: Final answer
    x = 188,698.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.