Home / 129,520.64-194,165.70-50,616.92

Finding the Fourth Proportional to 129,520.64, 194,165.70 and 50,616.92

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Solution

The fourth proportional to 129,520.64, 194,165.70 and 50,616.92 is: 75,880.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,520.64 : 194,165.70 = 50,616.92 : x
  2. Step 2: Convert to fraction form
    129,520.64/194,165.70 = 50,616.92/x
  3. Step 3: Cross multiply
    129,520.64x = 194,165.70 × 50,616.92
  4. Step 4: Simplify right side
    129,520.64x = 9,828,069,703.64
  5. Step 5: Solve for x
    x = 9,828,069,703.64/129,520.64
  6. Step 6: Final answer
    x = 75,880.34

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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.