Home / 129,776.20-194,664.30-41,056.90

Finding the Fourth Proportional to 129,776.20, 194,664.30 and 41,056.90

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Solution

The fourth proportional to 129,776.20, 194,664.30 and 41,056.90 is: 61,585.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,776.20 : 194,664.30 = 41,056.90 : x
  2. Step 2: Convert to fraction form
    129,776.20/194,664.30 = 41,056.90/x
  3. Step 3: Cross multiply
    129,776.20x = 194,664.30 × 41,056.90
  4. Step 4: Simplify right side
    129,776.20x = 7,992,312,698.67
  5. Step 5: Solve for x
    x = 7,992,312,698.67/129,776.20
  6. Step 6: Final answer
    x = 61,585.35

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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.