Home / 129,743.40-194,663.70-50,914.20

Finding the Fourth Proportional to 129,743.40, 194,663.70 and 50,914.20

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Solution

The fourth proportional to 129,743.40, 194,663.70 and 50,914.20 is: 76,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,743.40 : 194,663.70 = 50,914.20 : x
  2. Step 2: Convert to fraction form
    129,743.40/194,663.70 = 50,914.20/x
  3. Step 3: Cross multiply
    129,743.40x = 194,663.70 × 50,914.20
  4. Step 4: Simplify right side
    129,743.40x = 9,911,146,554.54
  5. Step 5: Solve for x
    x = 9,911,146,554.54/129,743.40
  6. Step 6: Final answer
    x = 76,390.37

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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.