Home / 274,713.20-412,116.32-94,749.76

Finding the Fourth Proportional to 274,713.20, 412,116.32 and 94,749.76

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Solution

The fourth proportional to 274,713.20, 412,116.32 and 94,749.76 is: 142,140.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,713.20 : 412,116.32 = 94,749.76 : x
  2. Step 2: Convert to fraction form
    274,713.20/412,116.32 = 94,749.76/x
  3. Step 3: Cross multiply
    274,713.20x = 412,116.32 × 94,749.76
  4. Step 4: Simplify right side
    274,713.20x = 39,047,922,412.08
  5. Step 5: Solve for x
    x = 39,047,922,412.08/274,713.20
  6. Step 6: Final answer
    x = 142,140.68

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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.