Home / 151,243.73-208,709.19-83,259.32

Finding the Fourth Proportional to 151,243.73, 208,709.19 and 83,259.32

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Solution

The fourth proportional to 151,243.73, 208,709.19 and 83,259.32 is: 114,893.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,243.73 : 208,709.19 = 83,259.32 : x
  2. Step 2: Convert to fraction form
    151,243.73/208,709.19 = 83,259.32/x
  3. Step 3: Cross multiply
    151,243.73x = 208,709.19 × 83,259.32
  4. Step 4: Simplify right side
    151,243.73x = 17,376,985,237.15
  5. Step 5: Solve for x
    x = 17,376,985,237.15/151,243.73
  6. Step 6: Final answer
    x = 114,893.92

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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.