Home / 161,744.20-242,616.30-102,403.60

Finding the Fourth Proportional to 161,744.20, 242,616.30 and 102,403.60

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Solution

The fourth proportional to 161,744.20, 242,616.30 and 102,403.60 is: 153,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,744.20 : 242,616.30 = 102,403.60 : x
  2. Step 2: Convert to fraction form
    161,744.20/242,616.30 = 102,403.60/x
  3. Step 3: Cross multiply
    161,744.20x = 242,616.30 × 102,403.60
  4. Step 4: Simplify right side
    161,744.20x = 24,844,782,538.68
  5. Step 5: Solve for x
    x = 24,844,782,538.68/161,744.20
  6. Step 6: Final answer
    x = 153,605.40

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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.