Home / 190,583.36-285,673.36-64,103.20

Finding the Fourth Proportional to 190,583.36, 285,673.36 and 64,103.20

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Solution

The fourth proportional to 190,583.36, 285,673.36 and 64,103.20 is: 96,086.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,583.36 : 285,673.36 = 64,103.20 : x
  2. Step 2: Convert to fraction form
    190,583.36/285,673.36 = 64,103.20/x
  3. Step 3: Cross multiply
    190,583.36x = 285,673.36 × 64,103.20
  4. Step 4: Simplify right side
    190,583.36x = 18,312,576,530.75
  5. Step 5: Solve for x
    x = 18,312,576,530.75/190,583.36
  6. Step 6: Final answer
    x = 96,086.96

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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.