Home / 235,200.72-324,579.24-127,771.56

Finding the Fourth Proportional to 235,200.72, 324,579.24 and 127,771.56

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Solution

The fourth proportional to 235,200.72, 324,579.24 and 127,771.56 is: 176,325.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,200.72 : 324,579.24 = 127,771.56 : x
  2. Step 2: Convert to fraction form
    235,200.72/324,579.24 = 127,771.56/x
  3. Step 3: Cross multiply
    235,200.72x = 324,579.24 × 127,771.56
  4. Step 4: Simplify right side
    235,200.72x = 41,471,995,838.41
  5. Step 5: Solve for x
    x = 41,471,995,838.41/235,200.72
  6. Step 6: Final answer
    x = 176,325.97

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1.5x scale

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.