Home / 129,777.65-194,665.30-41,031.18

Finding the Fourth Proportional to 129,777.65, 194,665.30 and 41,031.18

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Solution

The fourth proportional to 129,777.65, 194,665.30 and 41,031.18 is: 61,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,777.65 : 194,665.30 = 41,031.18 : x
  2. Step 2: Convert to fraction form
    129,777.65/194,665.30 = 41,031.18/x
  3. Step 3: Cross multiply
    129,777.65x = 194,665.30 × 41,031.18
  4. Step 4: Simplify right side
    129,777.65x = 7,987,346,758.90
  5. Step 5: Solve for x
    x = 7,987,346,758.90/129,777.65
  6. Step 6: Final answer
    x = 61,546.40

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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.