Home / 300,924.12-451,581.92-130,312.48

Finding the Fourth Proportional to 300,924.12, 451,581.92 and 130,312.48

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Solution

The fourth proportional to 300,924.12, 451,581.92 and 130,312.48 is: 195,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,924.12 : 451,581.92 = 130,312.48 : x
  2. Step 2: Convert to fraction form
    300,924.12/451,581.92 = 130,312.48/x
  3. Step 3: Cross multiply
    300,924.12x = 451,581.92 × 130,312.48
  4. Step 4: Simplify right side
    300,924.12x = 58,846,759,918.36
  5. Step 5: Solve for x
    x = 58,846,759,918.36/300,924.12
  6. Step 6: Final answer
    x = 195,553.48

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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.