Home / 127,016.44-175,203.30-81,753.40

Finding the Fourth Proportional to 127,016.44, 175,203.30 and 81,753.40

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Solution

The fourth proportional to 127,016.44, 175,203.30 and 81,753.40 is: 112,768.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,016.44 : 175,203.30 = 81,753.40 : x
  2. Step 2: Convert to fraction form
    127,016.44/175,203.30 = 81,753.40/x
  3. Step 3: Cross multiply
    127,016.44x = 175,203.30 × 81,753.40
  4. Step 4: Simplify right side
    127,016.44x = 14,323,465,466.22
  5. Step 5: Solve for x
    x = 14,323,465,466.22/127,016.44
  6. Step 6: Final answer
    x = 112,768.59

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1.5x scale

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.