Home / 190,507.11-285,560.60-64,103.47

Finding the Fourth Proportional to 190,507.11, 285,560.60 and 64,103.47

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Solution

The fourth proportional to 190,507.11, 285,560.60 and 64,103.47 is: 96,087.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,507.11 : 285,560.60 = 64,103.47 : x
  2. Step 2: Convert to fraction form
    190,507.11/285,560.60 = 64,103.47/x
  3. Step 3: Cross multiply
    190,507.11x = 285,560.60 × 64,103.47
  4. Step 4: Simplify right side
    190,507.11x = 18,305,425,355.28
  5. Step 5: Solve for x
    x = 18,305,425,355.28/190,507.11
  6. Step 6: Final answer
    x = 96,087.89

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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.