Home / 165,605.60-248,446.96-47,278.56

Finding the Fourth Proportional to 165,605.60, 248,446.96 and 47,278.56

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Solution

The fourth proportional to 165,605.60, 248,446.96 and 47,278.56 is: 70,928.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,605.60 : 248,446.96 = 47,278.56 : x
  2. Step 2: Convert to fraction form
    165,605.60/248,446.96 = 47,278.56/x
  3. Step 3: Cross multiply
    165,605.60x = 248,446.96 × 47,278.56
  4. Step 4: Simplify right side
    165,605.60x = 11,746,214,505.18
  5. Step 5: Solve for x
    x = 11,746,214,505.18/165,605.60
  6. Step 6: Final answer
    x = 70,928.85

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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.