Home / 252,192.12-378,378.54-108,037.47

Finding the Fourth Proportional to 252,192.12, 378,378.54 and 108,037.47

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Solution

The fourth proportional to 252,192.12, 378,378.54 and 108,037.47 is: 162,094.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,192.12 : 378,378.54 = 108,037.47 : x
  2. Step 2: Convert to fraction form
    252,192.12/378,378.54 = 108,037.47/x
  3. Step 3: Cross multiply
    252,192.12x = 378,378.54 × 108,037.47
  4. Step 4: Simplify right side
    252,192.12x = 40,879,060,163.89
  5. Step 5: Solve for x
    x = 40,879,060,163.89/252,192.12
  6. Step 6: Final answer
    x = 162,094.91

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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.