Home / 351,478.22-527,108.30-126,809.46

Finding the Fourth Proportional to 351,478.22, 527,108.30 and 126,809.46

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Solution

The fourth proportional to 351,478.22, 527,108.30 and 126,809.46 is: 190,174.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,478.22 : 527,108.30 = 126,809.46 : x
  2. Step 2: Convert to fraction form
    351,478.22/527,108.30 = 126,809.46/x
  3. Step 3: Cross multiply
    351,478.22x = 527,108.30 × 126,809.46
  4. Step 4: Simplify right side
    351,478.22x = 66,842,318,884.52
  5. Step 5: Solve for x
    x = 66,842,318,884.52/351,478.22
  6. Step 6: Final answer
    x = 190,174.85

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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.