Home / 129,616.40-194,446.20-50,733.20

Finding the Fourth Proportional to 129,616.40, 194,446.20 and 50,733.20

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Solution

The fourth proportional to 129,616.40, 194,446.20 and 50,733.20 is: 76,108.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,616.40 : 194,446.20 = 50,733.20 : x
  2. Step 2: Convert to fraction form
    129,616.40/194,446.20 = 50,733.20/x
  3. Step 3: Cross multiply
    129,616.40x = 194,446.20 × 50,733.20
  4. Step 4: Simplify right side
    129,616.40x = 9,864,877,953.84
  5. Step 5: Solve for x
    x = 9,864,877,953.84/129,616.40
  6. Step 6: Final answer
    x = 76,108.25

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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.