Home / 235,115.37-324,459.14-127,685.43

Finding the Fourth Proportional to 235,115.37, 324,459.14 and 127,685.43

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Solution

The fourth proportional to 235,115.37, 324,459.14 and 127,685.43 is: 176,205.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,115.37 : 324,459.14 = 127,685.43 : x
  2. Step 2: Convert to fraction form
    235,115.37/324,459.14 = 127,685.43/x
  3. Step 3: Cross multiply
    235,115.37x = 324,459.14 × 127,685.43
  4. Step 4: Simplify right side
    235,115.37x = 41,428,704,169.90
  5. Step 5: Solve for x
    x = 41,428,704,169.90/235,115.37
  6. Step 6: Final answer
    x = 176,205.85

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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.