Home / 151,005.09-208,387.44-83,029.02

Finding the Fourth Proportional to 151,005.09, 208,387.44 and 83,029.02

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Solution

The fourth proportional to 151,005.09, 208,387.44 and 83,029.02 is: 114,580.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,005.09 : 208,387.44 = 83,029.02 : x
  2. Step 2: Convert to fraction form
    151,005.09/208,387.44 = 83,029.02/x
  3. Step 3: Cross multiply
    151,005.09x = 208,387.44 × 83,029.02
  4. Step 4: Simplify right side
    151,005.09x = 17,302,204,923.51
  5. Step 5: Solve for x
    x = 17,302,204,923.51/151,005.09
  6. Step 6: Final answer
    x = 114,580.28

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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.