Home / 190,841.05-285,825.56-91,071.30

Finding the Fourth Proportional to 190,841.05, 285,825.56 and 91,071.30

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Solution

The fourth proportional to 190,841.05, 285,825.56 and 91,071.30 is: 136,398.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,841.05 : 285,825.56 = 91,071.30 : x
  2. Step 2: Convert to fraction form
    190,841.05/285,825.56 = 91,071.30/x
  3. Step 3: Cross multiply
    190,841.05x = 285,825.56 × 91,071.30
  4. Step 4: Simplify right side
    190,841.05x = 26,030,505,550.11
  5. Step 5: Solve for x
    x = 26,030,505,550.11/190,841.05
  6. Step 6: Final answer
    x = 136,398.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.