Home / 166,040.51-229,170-101,520.36

Finding the Fourth Proportional to 166,040.51, 229,170 and 101,520.36

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Solution

The fourth proportional to 166,040.51, 229,170 and 101,520.36 is: 140,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,040.51 : 229,170 = 101,520.36 : x
  2. Step 2: Convert to fraction form
    166,040.51/229,170 = 101,520.36/x
  3. Step 3: Cross multiply
    166,040.51x = 229,170 × 101,520.36
  4. Step 4: Simplify right side
    166,040.51x = 23,265,420,901.20
  5. Step 5: Solve for x
    x = 23,265,420,901.20/166,040.51
  6. Step 6: Final answer
    x = 140,118.95

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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.