Home / 434,190.11-651,279.29-194,240.57

Finding the Fourth Proportional to 434,190.11, 651,279.29 and 194,240.57

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Solution

The fourth proportional to 434,190.11, 651,279.29 and 194,240.57 is: 291,358.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,190.11 : 651,279.29 = 194,240.57 : x
  2. Step 2: Convert to fraction form
    434,190.11/651,279.29 = 194,240.57/x
  3. Step 3: Cross multiply
    434,190.11x = 651,279.29 × 194,240.57
  4. Step 4: Simplify right side
    434,190.11x = 126,504,856,291.20
  5. Step 5: Solve for x
    x = 126,504,856,291.20/434,190.11
  6. Step 6: Final answer
    x = 291,358.22

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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.