Home / 252,507.16-378,812.58-74,998.36

Finding the Fourth Proportional to 252,507.16, 378,812.58 and 74,998.36

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Solution

The fourth proportional to 252,507.16, 378,812.58 and 74,998.36 is: 112,512.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,507.16 : 378,812.58 = 74,998.36 : x
  2. Step 2: Convert to fraction form
    252,507.16/378,812.58 = 74,998.36/x
  3. Step 3: Cross multiply
    252,507.16x = 378,812.58 × 74,998.36
  4. Step 4: Simplify right side
    252,507.16x = 28,410,322,247.37
  5. Step 5: Solve for x
    x = 28,410,322,247.37/252,507.16
  6. Step 6: Final answer
    x = 112,512.94

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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.