Home / 184,513.20-276,769.80-105,635.40

Finding the Fourth Proportional to 184,513.20, 276,769.80 and 105,635.40

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Solution

The fourth proportional to 184,513.20, 276,769.80 and 105,635.40 is: 158,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,513.20 : 276,769.80 = 105,635.40 : x
  2. Step 2: Convert to fraction form
    184,513.20/276,769.80 = 105,635.40/x
  3. Step 3: Cross multiply
    184,513.20x = 276,769.80 × 105,635.40
  4. Step 4: Simplify right side
    184,513.20x = 29,236,688,530.92
  5. Step 5: Solve for x
    x = 29,236,688,530.92/184,513.20
  6. Step 6: Final answer
    x = 158,453.10

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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.