Home / 129,826.20-194,739.30-41,106.90

Finding the Fourth Proportional to 129,826.20, 194,739.30 and 41,106.90

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Solution

The fourth proportional to 129,826.20, 194,739.30 and 41,106.90 is: 61,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,826.20 : 194,739.30 = 41,106.90 : x
  2. Step 2: Convert to fraction form
    129,826.20/194,739.30 = 41,106.90/x
  3. Step 3: Cross multiply
    129,826.20x = 194,739.30 × 41,106.90
  4. Step 4: Simplify right side
    129,826.20x = 8,005,128,931.17
  5. Step 5: Solve for x
    x = 8,005,128,931.17/129,826.20
  6. Step 6: Final answer
    x = 61,660.35

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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.