Home / 129,358.85-194,038.32-58,198.38

Finding the Fourth Proportional to 129,358.85, 194,038.32 and 58,198.38

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Solution

The fourth proportional to 129,358.85, 194,038.32 and 58,198.38 is: 87,297.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,358.85 : 194,038.32 = 58,198.38 : x
  2. Step 2: Convert to fraction form
    129,358.85/194,038.32 = 58,198.38/x
  3. Step 3: Cross multiply
    129,358.85x = 194,038.32 × 58,198.38
  4. Step 4: Simplify right side
    129,358.85x = 11,292,715,881.92
  5. Step 5: Solve for x
    x = 11,292,715,881.92/129,358.85
  6. Step 6: Final answer
    x = 87,297.59

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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.