Home / 129,612.23-194,411.85-50,740.91

Finding the Fourth Proportional to 129,612.23, 194,411.85 and 50,740.91

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Solution

The fourth proportional to 129,612.23, 194,411.85 and 50,740.91 is: 76,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,612.23 : 194,411.85 = 50,740.91 : x
  2. Step 2: Convert to fraction form
    129,612.23/194,411.85 = 50,740.91/x
  3. Step 3: Cross multiply
    129,612.23x = 194,411.85 × 50,740.91
  4. Step 4: Simplify right side
    129,612.23x = 9,864,634,183.78
  5. Step 5: Solve for x
    x = 9,864,634,183.78/129,612.23
  6. Step 6: Final answer
    x = 76,108.82

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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.