Home / 129,871.20-194,814.16-36,384.24

Finding the Fourth Proportional to 129,871.20, 194,814.16 and 36,384.24

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Solution

The fourth proportional to 129,871.20, 194,814.16 and 36,384.24 is: 54,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,871.20 : 194,814.16 = 36,384.24 : x
  2. Step 2: Convert to fraction form
    129,871.20/194,814.16 = 36,384.24/x
  3. Step 3: Cross multiply
    129,871.20x = 194,814.16 × 36,384.24
  4. Step 4: Simplify right side
    129,871.20x = 7,088,165,152.84
  5. Step 5: Solve for x
    x = 7,088,165,152.84/129,871.20
  6. Step 6: Final answer
    x = 54,578.42

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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.