Home / 174,964.96-262,439.07-80,140.42

Finding the Fourth Proportional to 174,964.96, 262,439.07 and 80,140.42

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Solution

The fourth proportional to 174,964.96, 262,439.07 and 80,140.42 is: 120,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,964.96 : 262,439.07 = 80,140.42 : x
  2. Step 2: Convert to fraction form
    174,964.96/262,439.07 = 80,140.42/x
  3. Step 3: Cross multiply
    174,964.96x = 262,439.07 × 80,140.42
  4. Step 4: Simplify right side
    174,964.96x = 21,031,977,294.21
  5. Step 5: Solve for x
    x = 21,031,977,294.21/174,964.96
  6. Step 6: Final answer
    x = 120,206.80

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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.