Home / 252,464.45-378,369.36-102,529.13

Finding the Fourth Proportional to 252,464.45, 378,369.36 and 102,529.13

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Solution

The fourth proportional to 252,464.45, 378,369.36 and 102,529.13 is: 153,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,464.45 : 378,369.36 = 102,529.13 : x
  2. Step 2: Convert to fraction form
    252,464.45/378,369.36 = 102,529.13/x
  3. Step 3: Cross multiply
    252,464.45x = 378,369.36 × 102,529.13
  4. Step 4: Simplify right side
    252,464.45x = 38,793,879,407.61
  5. Step 5: Solve for x
    x = 38,793,879,407.61/252,464.45
  6. Step 6: Final answer
    x = 153,660.76

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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.