Home / 151,005.22-208,387.62-83,029.14

Finding the Fourth Proportional to 151,005.22, 208,387.62 and 83,029.14

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Solution

The fourth proportional to 151,005.22, 208,387.62 and 83,029.14 is: 114,580.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,005.22 : 208,387.62 = 83,029.14 : x
  2. Step 2: Convert to fraction form
    151,005.22/208,387.62 = 83,029.14/x
  3. Step 3: Cross multiply
    151,005.22x = 208,387.62 × 83,029.14
  4. Step 4: Simplify right side
    151,005.22x = 17,302,244,460.10
  5. Step 5: Solve for x
    x = 17,302,244,460.10/151,005.22
  6. Step 6: Final answer
    x = 114,580.44

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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.