Home / 347,725.26-521,699.76-158,253.30

Finding the Fourth Proportional to 347,725.26, 521,699.76 and 158,253.30

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Solution

The fourth proportional to 347,725.26, 521,699.76 and 158,253.30 is: 237,430.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,725.26 : 521,699.76 = 158,253.30 : x
  2. Step 2: Convert to fraction form
    347,725.26/521,699.76 = 158,253.30/x
  3. Step 3: Cross multiply
    347,725.26x = 521,699.76 × 158,253.30
  4. Step 4: Simplify right side
    347,725.26x = 82,560,708,629.21
  5. Step 5: Solve for x
    x = 82,560,708,629.21/347,725.26
  6. Step 6: Final answer
    x = 237,430.86

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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.