Home / 109,779.20-164,667.36-26,672.96

Finding the Fourth Proportional to 109,779.20, 164,667.36 and 26,672.96

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Solution

The fourth proportional to 109,779.20, 164,667.36 and 26,672.96 is: 40,009.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,779.20 : 164,667.36 = 26,672.96 : x
  2. Step 2: Convert to fraction form
    109,779.20/164,667.36 = 26,672.96/x
  3. Step 3: Cross multiply
    109,779.20x = 164,667.36 × 26,672.96
  4. Step 4: Simplify right side
    109,779.20x = 4,392,165,906.59
  5. Step 5: Solve for x
    x = 4,392,165,906.59/109,779.20
  6. Step 6: Final answer
    x = 40,009.09

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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.