Home / 347,715.76-521,573.28-111,076.60

Finding the Fourth Proportional to 347,715.76, 521,573.28 and 111,076.60

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Solution

The fourth proportional to 347,715.76, 521,573.28 and 111,076.60 is: 166,614.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,715.76 : 521,573.28 = 111,076.60 : x
  2. Step 2: Convert to fraction form
    347,715.76/521,573.28 = 111,076.60/x
  3. Step 3: Cross multiply
    347,715.76x = 521,573.28 × 111,076.60
  4. Step 4: Simplify right side
    347,715.76x = 57,934,586,593.25
  5. Step 5: Solve for x
    x = 57,934,586,593.25/347,715.76
  6. Step 6: Final answer
    x = 166,614.78

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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.