Home / 162,520.55-243,806.79-50,174.36

Finding the Fourth Proportional to 162,520.55, 243,806.79 and 50,174.36

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Solution

The fourth proportional to 162,520.55, 243,806.79 and 50,174.36 is: 75,269.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,520.55 : 243,806.79 = 50,174.36 : x
  2. Step 2: Convert to fraction form
    162,520.55/243,806.79 = 50,174.36/x
  3. Step 3: Cross multiply
    162,520.55x = 243,806.79 × 50,174.36
  4. Step 4: Simplify right side
    162,520.55x = 12,232,849,651.90
  5. Step 5: Solve for x
    x = 12,232,849,651.90/162,520.55
  6. Step 6: Final answer
    x = 75,269.56

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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.