Home / 110,311.20-165,351.60-60,314.40

Finding the Fourth Proportional to 110,311.20, 165,351.60 and 60,314.40

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Solution

The fourth proportional to 110,311.20, 165,351.60 and 60,314.40 is: 90,408.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,311.20 : 165,351.60 = 60,314.40 : x
  2. Step 2: Convert to fraction form
    110,311.20/165,351.60 = 60,314.40/x
  3. Step 3: Cross multiply
    110,311.20x = 165,351.60 × 60,314.40
  4. Step 4: Simplify right side
    110,311.20x = 9,973,082,543.04
  5. Step 5: Solve for x
    x = 9,973,082,543.04/110,311.20
  6. Step 6: Final answer
    x = 90,408.61

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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.