Home / 208,093.24-312,066.06-74,937.70

Finding the Fourth Proportional to 208,093.24, 312,066.06 and 74,937.70

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Solution

The fourth proportional to 208,093.24, 312,066.06 and 74,937.70 is: 112,379.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,093.24 : 312,066.06 = 74,937.70 : x
  2. Step 2: Convert to fraction form
    208,093.24/312,066.06 = 74,937.70/x
  3. Step 3: Cross multiply
    208,093.24x = 312,066.06 × 74,937.70
  4. Step 4: Simplify right side
    208,093.24x = 23,385,512,784.46
  5. Step 5: Solve for x
    x = 23,385,512,784.46/208,093.24
  6. Step 6: Final answer
    x = 112,379.97

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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.