Home / 129,662.57-194,493.89-40,925.04

Finding the Fourth Proportional to 129,662.57, 194,493.89 and 40,925.04

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Solution

The fourth proportional to 129,662.57, 194,493.89 and 40,925.04 is: 61,387.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,662.57 : 194,493.89 = 40,925.04 : x
  2. Step 2: Convert to fraction form
    129,662.57/194,493.89 = 40,925.04/x
  3. Step 3: Cross multiply
    129,662.57x = 194,493.89 × 40,925.04
  4. Step 4: Simplify right side
    129,662.57x = 7,959,670,228.01
  5. Step 5: Solve for x
    x = 7,959,670,228.01/129,662.57
  6. Step 6: Final answer
    x = 61,387.57

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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.