Home / 190,423.24-285,535.02-65,734.60

Finding the Fourth Proportional to 190,423.24, 285,535.02 and 65,734.60

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Solution

The fourth proportional to 190,423.24, 285,535.02 and 65,734.60 is: 98,567.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,423.24 : 285,535.02 = 65,734.60 : x
  2. Step 2: Convert to fraction form
    190,423.24/285,535.02 = 65,734.60/x
  3. Step 3: Cross multiply
    190,423.24x = 285,535.02 × 65,734.60
  4. Step 4: Simplify right side
    190,423.24x = 18,769,530,325.69
  5. Step 5: Solve for x
    x = 18,769,530,325.69/190,423.24
  6. Step 6: Final answer
    x = 98,567.43

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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.