Home / 195,416.68-293,120.16-55,173.28

Finding the Fourth Proportional to 195,416.68, 293,120.16 and 55,173.28

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Solution

The fourth proportional to 195,416.68, 293,120.16 and 55,173.28 is: 82,758.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,416.68 : 293,120.16 = 55,173.28 : x
  2. Step 2: Convert to fraction form
    195,416.68/293,120.16 = 55,173.28/x
  3. Step 3: Cross multiply
    195,416.68x = 293,120.16 × 55,173.28
  4. Step 4: Simplify right side
    195,416.68x = 16,172,400,661.32
  5. Step 5: Solve for x
    x = 16,172,400,661.32/195,416.68
  6. Step 6: Final answer
    x = 82,758.55

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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.