Home / 208,736.60-312,848.10-96,260.60

Finding the Fourth Proportional to 208,736.60, 312,848.10 and 96,260.60

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Solution

The fourth proportional to 208,736.60, 312,848.10 and 96,260.60 is: 144,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,736.60 : 312,848.10 = 96,260.60 : x
  2. Step 2: Convert to fraction form
    208,736.60/312,848.10 = 96,260.60/x
  3. Step 3: Cross multiply
    208,736.60x = 312,848.10 × 96,260.60
  4. Step 4: Simplify right side
    208,736.60x = 30,114,945,814.86
  5. Step 5: Solve for x
    x = 30,114,945,814.86/208,736.60
  6. Step 6: Final answer
    x = 144,272.47

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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.