Home / 127,723.24-176,258.06-71,134.60

Finding the Fourth Proportional to 127,723.24, 176,258.06 and 71,134.60

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Solution

The fourth proportional to 127,723.24, 176,258.06 and 71,134.60 is: 98,165.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,723.24 : 176,258.06 = 71,134.60 : x
  2. Step 2: Convert to fraction form
    127,723.24/176,258.06 = 71,134.60/x
  3. Step 3: Cross multiply
    127,723.24x = 176,258.06 × 71,134.60
  4. Step 4: Simplify right side
    127,723.24x = 12,538,046,594.88
  5. Step 5: Solve for x
    x = 12,538,046,594.88/127,723.24
  6. Step 6: Final answer
    x = 98,165.74

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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.