Home / 129,207.84-178,256.21-95,297.73

Finding the Fourth Proportional to 129,207.84, 178,256.21 and 95,297.73

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Solution

The fourth proportional to 129,207.84, 178,256.21 and 95,297.73 is: 131,473.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,207.84 : 178,256.21 = 95,297.73 : x
  2. Step 2: Convert to fraction form
    129,207.84/178,256.21 = 95,297.73/x
  3. Step 3: Cross multiply
    129,207.84x = 178,256.21 × 95,297.73
  4. Step 4: Simplify right side
    129,207.84x = 16,987,411,694.91
  5. Step 5: Solve for x
    x = 16,987,411,694.91/129,207.84
  6. Step 6: Final answer
    x = 131,473.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.