Home / 151,121.06-208,544.16-83,134.06

Finding the Fourth Proportional to 151,121.06, 208,544.16 and 83,134.06

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Solution

The fourth proportional to 151,121.06, 208,544.16 and 83,134.06 is: 114,723.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,121.06 : 208,544.16 = 83,134.06 : x
  2. Step 2: Convert to fraction form
    151,121.06/208,544.16 = 83,134.06/x
  3. Step 3: Cross multiply
    151,121.06x = 208,544.16 × 83,134.06
  4. Step 4: Simplify right side
    151,121.06x = 17,337,122,710.09
  5. Step 5: Solve for x
    x = 17,337,122,710.09/151,121.06
  6. Step 6: Final answer
    x = 114,723.41

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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.