Home / 262,250.28-393,364.92-75,261.72

Finding the Fourth Proportional to 262,250.28, 393,364.92 and 75,261.72

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Solution

The fourth proportional to 262,250.28, 393,364.92 and 75,261.72 is: 112,889.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,250.28 : 393,364.92 = 75,261.72 : x
  2. Step 2: Convert to fraction form
    262,250.28/393,364.92 = 75,261.72/x
  3. Step 3: Cross multiply
    262,250.28x = 393,364.92 × 75,261.72
  4. Step 4: Simplify right side
    262,250.28x = 29,605,320,466.86
  5. Step 5: Solve for x
    x = 29,605,320,466.86/262,250.28
  6. Step 6: Final answer
    x = 112,889.57

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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.