Home / 109,610.40-164,415.60-105,236.40

Finding the Fourth Proportional to 109,610.40, 164,415.60 and 105,236.40

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Solution

The fourth proportional to 109,610.40, 164,415.60 and 105,236.40 is: 157,854.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,610.40 : 164,415.60 = 105,236.40 : x
  2. Step 2: Convert to fraction form
    109,610.40/164,415.60 = 105,236.40/x
  3. Step 3: Cross multiply
    109,610.40x = 164,415.60 × 105,236.40
  4. Step 4: Simplify right side
    109,610.40x = 17,302,505,847.84
  5. Step 5: Solve for x
    x = 17,302,505,847.84/109,610.40
  6. Step 6: Final answer
    x = 157,854.60

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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.