Home / 129,421.44-194,151.24-66,277.24

Finding the Fourth Proportional to 129,421.44, 194,151.24 and 66,277.24

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Solution

The fourth proportional to 129,421.44, 194,151.24 and 66,277.24 is: 99,425.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,421.44 : 194,151.24 = 66,277.24 : x
  2. Step 2: Convert to fraction form
    129,421.44/194,151.24 = 66,277.24/x
  3. Step 3: Cross multiply
    129,421.44x = 194,151.24 × 66,277.24
  4. Step 4: Simplify right side
    129,421.44x = 12,867,808,329.78
  5. Step 5: Solve for x
    x = 12,867,808,329.78/129,421.44
  6. Step 6: Final answer
    x = 99,425.63

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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.