Home / 109,863.12-164,606.33-73,771.92

Finding the Fourth Proportional to 109,863.12, 164,606.33 and 73,771.92

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Solution

The fourth proportional to 109,863.12, 164,606.33 and 73,771.92 is: 110,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,863.12 : 164,606.33 = 73,771.92 : x
  2. Step 2: Convert to fraction form
    109,863.12/164,606.33 = 73,771.92/x
  3. Step 3: Cross multiply
    109,863.12x = 164,606.33 × 73,771.92
  4. Step 4: Simplify right side
    109,863.12x = 12,143,325,008.25
  5. Step 5: Solve for x
    x = 12,143,325,008.25/109,863.12
  6. Step 6: Final answer
    x = 110,531.40

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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.