Home / 104,423.22-156,634.83-99,961.74

Finding the Fourth Proportional to 104,423.22, 156,634.83 and 99,961.74

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Solution

The fourth proportional to 104,423.22, 156,634.83 and 99,961.74 is: 149,942.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,423.22 : 156,634.83 = 99,961.74 : x
  2. Step 2: Convert to fraction form
    104,423.22/156,634.83 = 99,961.74/x
  3. Step 3: Cross multiply
    104,423.22x = 156,634.83 × 99,961.74
  4. Step 4: Simplify right side
    104,423.22x = 15,657,490,151.40
  5. Step 5: Solve for x
    x = 15,657,490,151.40/104,423.22
  6. Step 6: Final answer
    x = 149,942.61

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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.