Home / 231,991.08-348,012.91-208,152.16

Finding the Fourth Proportional to 231,991.08, 348,012.91 and 208,152.16

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Solution

The fourth proportional to 231,991.08, 348,012.91 and 208,152.16 is: 312,251.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,991.08 : 348,012.91 = 208,152.16 : x
  2. Step 2: Convert to fraction form
    231,991.08/348,012.91 = 208,152.16/x
  3. Step 3: Cross multiply
    231,991.08x = 348,012.91 × 208,152.16
  4. Step 4: Simplify right side
    231,991.08x = 72,439,640,272.12
  5. Step 5: Solve for x
    x = 72,439,640,272.12/231,991.08
  6. Step 6: Final answer
    x = 312,251.83

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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.