Home / 169,120.92-253,687.55-56,804.83

Finding the Fourth Proportional to 169,120.92, 253,687.55 and 56,804.83

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Solution

The fourth proportional to 169,120.92, 253,687.55 and 56,804.83 is: 85,209.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,120.92 : 253,687.55 = 56,804.83 : x
  2. Step 2: Convert to fraction form
    169,120.92/253,687.55 = 56,804.83/x
  3. Step 3: Cross multiply
    169,120.92x = 253,687.55 × 56,804.83
  4. Step 4: Simplify right side
    169,120.92x = 14,410,678,150.87
  5. Step 5: Solve for x
    x = 14,410,678,150.87/169,120.92
  6. Step 6: Final answer
    x = 85,209.32

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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.