Home / 110,288.20-165,432.30-105,622.60

Finding the Fourth Proportional to 110,288.20, 165,432.30 and 105,622.60

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Solution

The fourth proportional to 110,288.20, 165,432.30 and 105,622.60 is: 158,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,288.20 : 165,432.30 = 105,622.60 : x
  2. Step 2: Convert to fraction form
    110,288.20/165,432.30 = 105,622.60/x
  3. Step 3: Cross multiply
    110,288.20x = 165,432.30 × 105,622.60
  4. Step 4: Simplify right side
    110,288.20x = 17,473,389,649.98
  5. Step 5: Solve for x
    x = 17,473,389,649.98/110,288.20
  6. Step 6: Final answer
    x = 158,433.90

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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.