Home / 104,649.56-156,885.86-45,440.44

Finding the Fourth Proportional to 104,649.56, 156,885.86 and 45,440.44

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Solution

The fourth proportional to 104,649.56, 156,885.86 and 45,440.44 is: 68,122.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,649.56 : 156,885.86 = 45,440.44 : x
  2. Step 2: Convert to fraction form
    104,649.56/156,885.86 = 45,440.44/x
  3. Step 3: Cross multiply
    104,649.56x = 156,885.86 × 45,440.44
  4. Step 4: Simplify right side
    104,649.56x = 7,128,962,508.18
  5. Step 5: Solve for x
    x = 7,128,962,508.18/104,649.56
  6. Step 6: Final answer
    x = 68,122.24

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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.