Home / 262,613.12-393,895.37-73,076.36

Finding the Fourth Proportional to 262,613.12, 393,895.37 and 73,076.36

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Solution

The fourth proportional to 262,613.12, 393,895.37 and 73,076.36 is: 109,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,613.12 : 393,895.37 = 73,076.36 : x
  2. Step 2: Convert to fraction form
    262,613.12/393,895.37 = 73,076.36/x
  3. Step 3: Cross multiply
    262,613.12x = 393,895.37 × 73,076.36
  4. Step 4: Simplify right side
    262,613.12x = 28,784,438,073.67
  5. Step 5: Solve for x
    x = 28,784,438,073.67/262,613.12
  6. Step 6: Final answer
    x = 109,607.77

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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.