Home / 129,646.70-194,392.26-50,666.84

Finding the Fourth Proportional to 129,646.70, 194,392.26 and 50,666.84

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Solution

The fourth proportional to 129,646.70, 194,392.26 and 50,666.84 is: 75,969.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,646.70 : 194,392.26 = 50,666.84 : x
  2. Step 2: Convert to fraction form
    129,646.70/194,392.26 = 50,666.84/x
  3. Step 3: Cross multiply
    129,646.70x = 194,392.26 × 50,666.84
  4. Step 4: Simplify right side
    129,646.70x = 9,849,241,534.66
  5. Step 5: Solve for x
    x = 9,849,241,534.66/129,646.70
  6. Step 6: Final answer
    x = 75,969.86

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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.