Home / 127,704.56-176,232.60-70,342.52

Finding the Fourth Proportional to 127,704.56, 176,232.60 and 70,342.52

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Solution

The fourth proportional to 127,704.56, 176,232.60 and 70,342.52 is: 97,072.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,704.56 : 176,232.60 = 70,342.52 : x
  2. Step 2: Convert to fraction form
    127,704.56/176,232.60 = 70,342.52/x
  3. Step 3: Cross multiply
    127,704.56x = 176,232.60 × 70,342.52
  4. Step 4: Simplify right side
    127,704.56x = 12,396,645,190.15
  5. Step 5: Solve for x
    x = 12,396,645,190.15/127,704.56
  6. Step 6: Final answer
    x = 97,072.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.