Home / 470,836.20-706,254.30-115,845.60

Finding the Fourth Proportional to 470,836.20, 706,254.30 and 115,845.60

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Solution

The fourth proportional to 470,836.20, 706,254.30 and 115,845.60 is: 173,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,836.20 : 706,254.30 = 115,845.60 : x
  2. Step 2: Convert to fraction form
    470,836.20/706,254.30 = 115,845.60/x
  3. Step 3: Cross multiply
    470,836.20x = 706,254.30 × 115,845.60
  4. Step 4: Simplify right side
    470,836.20x = 81,816,453,136.08
  5. Step 5: Solve for x
    x = 81,816,453,136.08/470,836.20
  6. Step 6: Final answer
    x = 173,768.40

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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.