Home / 151,274.68-208,759.08-83,291.92

Finding the Fourth Proportional to 151,274.68, 208,759.08 and 83,291.92

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Solution

The fourth proportional to 151,274.68, 208,759.08 and 83,291.92 is: 114,942.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,274.68 : 208,759.08 = 83,291.92 : x
  2. Step 2: Convert to fraction form
    151,274.68/208,759.08 = 83,291.92/x
  3. Step 3: Cross multiply
    151,274.68x = 208,759.08 × 83,291.92
  4. Step 4: Simplify right side
    151,274.68x = 17,387,944,590.63
  5. Step 5: Solve for x
    x = 17,387,944,590.63/151,274.68
  6. Step 6: Final answer
    x = 114,942.86

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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.