Home / 129,521.70-194,295.51-36,027.45

Finding the Fourth Proportional to 129,521.70, 194,295.51 and 36,027.45

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Solution

The fourth proportional to 129,521.70, 194,295.51 and 36,027.45 is: 54,044.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,521.70 : 194,295.51 = 36,027.45 : x
  2. Step 2: Convert to fraction form
    129,521.70/194,295.51 = 36,027.45/x
  3. Step 3: Cross multiply
    129,521.70x = 194,295.51 × 36,027.45
  4. Step 4: Simplify right side
    129,521.70x = 6,999,971,771.75
  5. Step 5: Solve for x
    x = 6,999,971,771.75/129,521.70
  6. Step 6: Final answer
    x = 54,044.78

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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.