Home / 119,004.80-178,507.84-40,119.76

Finding the Fourth Proportional to 119,004.80, 178,507.84 and 40,119.76

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Solution

The fourth proportional to 119,004.80, 178,507.84 and 40,119.76 is: 60,179.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,004.80 : 178,507.84 = 40,119.76 : x
  2. Step 2: Convert to fraction form
    119,004.80/178,507.84 = 40,119.76/x
  3. Step 3: Cross multiply
    119,004.80x = 178,507.84 × 40,119.76
  4. Step 4: Simplify right side
    119,004.80x = 7,161,691,698.92
  5. Step 5: Solve for x
    x = 7,161,691,698.92/119,004.80
  6. Step 6: Final answer
    x = 60,179.86

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1.5x scale

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.