Home / 151,125.12-208,548.48-84,057.60

Finding the Fourth Proportional to 151,125.12, 208,548.48 and 84,057.60

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Solution

The fourth proportional to 151,125.12, 208,548.48 and 84,057.60 is: 115,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,125.12 : 208,548.48 = 84,057.60 : x
  2. Step 2: Convert to fraction form
    151,125.12/208,548.48 = 84,057.60/x
  3. Step 3: Cross multiply
    151,125.12x = 208,548.48 × 84,057.60
  4. Step 4: Simplify right side
    151,125.12x = 17,530,084,712.45
  5. Step 5: Solve for x
    x = 17,530,084,712.45/151,125.12
  6. Step 6: Final answer
    x = 115,997.16

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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.