Home / 351,475.38-527,104.02-126,806.60

Finding the Fourth Proportional to 351,475.38, 527,104.02 and 126,806.60

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Solution

The fourth proportional to 351,475.38, 527,104.02 and 126,806.60 is: 190,170.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,475.38 : 527,104.02 = 126,806.60 : x
  2. Step 2: Convert to fraction form
    351,475.38/527,104.02 = 126,806.60/x
  3. Step 3: Cross multiply
    351,475.38x = 527,104.02 × 126,806.60
  4. Step 4: Simplify right side
    351,475.38x = 66,840,270,415.82
  5. Step 5: Solve for x
    x = 66,840,270,415.82/351,475.38
  6. Step 6: Final answer
    x = 190,170.56

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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.