Home / 253,896.16-380,575.78-93,869.31

Finding the Fourth Proportional to 253,896.16, 380,575.78 and 93,869.31

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Solution

The fourth proportional to 253,896.16, 380,575.78 and 93,869.31 is: 140,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,896.16 : 380,575.78 = 93,869.31 : x
  2. Step 2: Convert to fraction form
    253,896.16/380,575.78 = 93,869.31/x
  3. Step 3: Cross multiply
    253,896.16x = 380,575.78 × 93,869.31
  4. Step 4: Simplify right side
    253,896.16x = 35,724,383,984.69
  5. Step 5: Solve for x
    x = 35,724,383,984.69/253,896.16
  6. Step 6: Final answer
    x = 140,704.70

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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.