Home / 136,699.25-188,905.37-98,583.89

Finding the Fourth Proportional to 136,699.25, 188,905.37 and 98,583.89

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Solution

The fourth proportional to 136,699.25, 188,905.37 and 98,583.89 is: 136,233.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,699.25 : 188,905.37 = 98,583.89 : x
  2. Step 2: Convert to fraction form
    136,699.25/188,905.37 = 98,583.89/x
  3. Step 3: Cross multiply
    136,699.25x = 188,905.37 × 98,583.89
  4. Step 4: Simplify right side
    136,699.25x = 18,623,024,779.04
  5. Step 5: Solve for x
    x = 18,623,024,779.04/136,699.25
  6. Step 6: Final answer
    x = 136,233.56

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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.