Home / 129,416.70-194,171.73-45,189.27

Finding the Fourth Proportional to 129,416.70, 194,171.73 and 45,189.27

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Solution

The fourth proportional to 129,416.70, 194,171.73 and 45,189.27 is: 67,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,416.70 : 194,171.73 = 45,189.27 : x
  2. Step 2: Convert to fraction form
    129,416.70/194,171.73 = 45,189.27/x
  3. Step 3: Cross multiply
    129,416.70x = 194,171.73 × 45,189.27
  4. Step 4: Simplify right side
    129,416.70x = 8,774,478,733.34
  5. Step 5: Solve for x
    x = 8,774,478,733.34/129,416.70
  6. Step 6: Final answer
    x = 67,800.20

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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.