Home / 151,208.14-208,670.09-83,224.64

Finding the Fourth Proportional to 151,208.14, 208,670.09 and 83,224.64

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Solution

The fourth proportional to 151,208.14, 208,670.09 and 83,224.64 is: 114,851.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,208.14 : 208,670.09 = 83,224.64 : x
  2. Step 2: Convert to fraction form
    151,208.14/208,670.09 = 83,224.64/x
  3. Step 3: Cross multiply
    151,208.14x = 208,670.09 × 83,224.64
  4. Step 4: Simplify right side
    151,208.14x = 17,366,491,659.54
  5. Step 5: Solve for x
    x = 17,366,491,659.54/151,208.14
  6. Step 6: Final answer
    x = 114,851.57

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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.