Home / 195,381.78-293,031.66-55,107.60

Finding the Fourth Proportional to 195,381.78, 293,031.66 and 55,107.60

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Solution

The fourth proportional to 195,381.78, 293,031.66 and 55,107.60 is: 82,649.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,381.78 : 293,031.66 = 55,107.60 : x
  2. Step 2: Convert to fraction form
    195,381.78/293,031.66 = 55,107.60/x
  3. Step 3: Cross multiply
    195,381.78x = 293,031.66 × 55,107.60
  4. Step 4: Simplify right side
    195,381.78x = 16,148,271,506.62
  5. Step 5: Solve for x
    x = 16,148,271,506.62/195,381.78
  6. Step 6: Final answer
    x = 82,649.83

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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.