Home / 110,325.12-165,570.84-80,818.44

Finding the Fourth Proportional to 110,325.12, 165,570.84 and 80,818.44

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Solution

The fourth proportional to 110,325.12, 165,570.84 and 80,818.44 is: 121,288.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,325.12 : 165,570.84 = 80,818.44 : x
  2. Step 2: Convert to fraction form
    110,325.12/165,570.84 = 80,818.44/x
  3. Step 3: Cross multiply
    110,325.12x = 165,570.84 × 80,818.44
  4. Step 4: Simplify right side
    110,325.12x = 13,381,176,998.29
  5. Step 5: Solve for x
    x = 13,381,176,998.29/110,325.12
  6. Step 6: Final answer
    x = 121,288.58

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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.