Home / 104,224.20-156,336.30-45,018.60

Finding the Fourth Proportional to 104,224.20, 156,336.30 and 45,018.60

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Solution

The fourth proportional to 104,224.20, 156,336.30 and 45,018.60 is: 67,527.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,224.20 : 156,336.30 = 45,018.60 : x
  2. Step 2: Convert to fraction form
    104,224.20/156,336.30 = 45,018.60/x
  3. Step 3: Cross multiply
    104,224.20x = 156,336.30 × 45,018.60
  4. Step 4: Simplify right side
    104,224.20x = 7,038,041,355.18
  5. Step 5: Solve for x
    x = 7,038,041,355.18/104,224.20
  6. Step 6: Final answer
    x = 67,527.90

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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.