Home / 129,749.40-194,472.90-59,635.80

Finding the Fourth Proportional to 129,749.40, 194,472.90 and 59,635.80

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Solution

The fourth proportional to 129,749.40, 194,472.90 and 59,635.80 is: 89,384.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,749.40 : 194,472.90 = 59,635.80 : x
  2. Step 2: Convert to fraction form
    129,749.40/194,472.90 = 59,635.80/x
  3. Step 3: Cross multiply
    129,749.40x = 194,472.90 × 59,635.80
  4. Step 4: Simplify right side
    129,749.40x = 11,597,546,969.82
  5. Step 5: Solve for x
    x = 11,597,546,969.82/129,749.40
  6. Step 6: Final answer
    x = 89,384.21

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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.