Home / 151,251.32-208,717.62-83,255.06

Finding the Fourth Proportional to 151,251.32, 208,717.62 and 83,255.06

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Solution

The fourth proportional to 151,251.32, 208,717.62 and 83,255.06 is: 114,886.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,251.32 : 208,717.62 = 83,255.06 : x
  2. Step 2: Convert to fraction form
    151,251.32/208,717.62 = 83,255.06/x
  3. Step 3: Cross multiply
    151,251.32x = 208,717.62 × 83,255.06
  4. Step 4: Simplify right side
    151,251.32x = 17,376,797,976.16
  5. Step 5: Solve for x
    x = 17,376,797,976.16/151,251.32
  6. Step 6: Final answer
    x = 114,886.92

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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.