Home / 129,717.72-194,577.12-36,224.28

Finding the Fourth Proportional to 129,717.72, 194,577.12 and 36,224.28

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Solution

The fourth proportional to 129,717.72, 194,577.12 and 36,224.28 is: 54,336.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,717.72 : 194,577.12 = 36,224.28 : x
  2. Step 2: Convert to fraction form
    129,717.72/194,577.12 = 36,224.28/x
  3. Step 3: Cross multiply
    129,717.72x = 194,577.12 × 36,224.28
  4. Step 4: Simplify right side
    129,717.72x = 7,048,416,076.47
  5. Step 5: Solve for x
    x = 7,048,416,076.47/129,717.72
  6. Step 6: Final answer
    x = 54,336.57

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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.