Home / 110,257.40-164,997.30-76,820.60

Finding the Fourth Proportional to 110,257.40, 164,997.30 and 76,820.60

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Solution

The fourth proportional to 110,257.40, 164,997.30 and 76,820.60 is: 114,960.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,257.40 : 164,997.30 = 76,820.60 : x
  2. Step 2: Convert to fraction form
    110,257.40/164,997.30 = 76,820.60/x
  3. Step 3: Cross multiply
    110,257.40x = 164,997.30 × 76,820.60
  4. Step 4: Simplify right side
    110,257.40x = 12,675,191,584.38
  5. Step 5: Solve for x
    x = 12,675,191,584.38/110,257.40
  6. Step 6: Final answer
    x = 114,960.01

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1.5x scale

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.