Home / 151,580.06-209,185.44-83,600

Finding the Fourth Proportional to 151,580.06, 209,185.44 and 83,600

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Solution

The fourth proportional to 151,580.06, 209,185.44 and 83,600 is: 115,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,580.06 : 209,185.44 = 83,600 : x
  2. Step 2: Convert to fraction form
    151,580.06/209,185.44 = 83,600/x
  3. Step 3: Cross multiply
    151,580.06x = 209,185.44 × 83,600
  4. Step 4: Simplify right side
    151,580.06x = 17,487,902,784
  5. Step 5: Solve for x
    x = 17,487,902,784/151,580.06
  6. Step 6: Final answer
    x = 115,370.73

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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.