Home / 411,170.58-616,600.35-161,716.50

Finding the Fourth Proportional to 411,170.58, 616,600.35 and 161,716.50

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Solution

The fourth proportional to 411,170.58, 616,600.35 and 161,716.50 is: 242,513.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,170.58 : 616,600.35 = 161,716.50 : x
  2. Step 2: Convert to fraction form
    411,170.58/616,600.35 = 161,716.50/x
  3. Step 3: Cross multiply
    411,170.58x = 616,600.35 × 161,716.50
  4. Step 4: Simplify right side
    411,170.58x = 99,714,450,500.78
  5. Step 5: Solve for x
    x = 99,714,450,500.78/411,170.58
  6. Step 6: Final answer
    x = 242,513.58

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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.