Home / 235,406.79-324,867.78-127,984.05

Finding the Fourth Proportional to 235,406.79, 324,867.78 and 127,984.05

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Solution

The fourth proportional to 235,406.79, 324,867.78 and 127,984.05 is: 176,621.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,406.79 : 324,867.78 = 127,984.05 : x
  2. Step 2: Convert to fraction form
    235,406.79/324,867.78 = 127,984.05/x
  3. Step 3: Cross multiply
    235,406.79x = 324,867.78 × 127,984.05
  4. Step 4: Simplify right side
    235,406.79x = 41,577,894,198.91
  5. Step 5: Solve for x
    x = 41,577,894,198.91/235,406.79
  6. Step 6: Final answer
    x = 176,621.47

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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.