Home / 195,415.68-293,118.66-55,172.28

Finding the Fourth Proportional to 195,415.68, 293,118.66 and 55,172.28

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Solution

The fourth proportional to 195,415.68, 293,118.66 and 55,172.28 is: 82,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,415.68 : 293,118.66 = 55,172.28 : x
  2. Step 2: Convert to fraction form
    195,415.68/293,118.66 = 55,172.28/x
  3. Step 3: Cross multiply
    195,415.68x = 293,118.66 × 55,172.28
  4. Step 4: Simplify right side
    195,415.68x = 16,172,024,782.74
  5. Step 5: Solve for x
    x = 16,172,024,782.74/195,415.68
  6. Step 6: Final answer
    x = 82,757.05

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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.