Home / 129,927.05-194,890.56-48,889.30

Finding the Fourth Proportional to 129,927.05, 194,890.56 and 48,889.30

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Solution

The fourth proportional to 129,927.05, 194,890.56 and 48,889.30 is: 73,333.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,927.05 : 194,890.56 = 48,889.30 : x
  2. Step 2: Convert to fraction form
    129,927.05/194,890.56 = 48,889.30/x
  3. Step 3: Cross multiply
    129,927.05x = 194,890.56 × 48,889.30
  4. Step 4: Simplify right side
    129,927.05x = 9,528,063,024.87
  5. Step 5: Solve for x
    x = 9,528,063,024.87/129,927.05
  6. Step 6: Final answer
    x = 73,333.94

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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.