Home / 155,669.52-214,784.30-95,218.08

Finding the Fourth Proportional to 155,669.52, 214,784.30 and 95,218.08

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Solution

The fourth proportional to 155,669.52, 214,784.30 and 95,218.08 is: 131,376.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,669.52 : 214,784.30 = 95,218.08 : x
  2. Step 2: Convert to fraction form
    155,669.52/214,784.30 = 95,218.08/x
  3. Step 3: Cross multiply
    155,669.52x = 214,784.30 × 95,218.08
  4. Step 4: Simplify right side
    155,669.52x = 20,451,348,660.14
  5. Step 5: Solve for x
    x = 20,451,348,660.14/155,669.52
  6. Step 6: Final answer
    x = 131,376.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.