Home / 143,771.40-215,683.02-48,996.36

Finding the Fourth Proportional to 143,771.40, 215,683.02 and 48,996.36

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Solution

The fourth proportional to 143,771.40, 215,683.02 and 48,996.36 is: 73,503.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,771.40 : 215,683.02 = 48,996.36 : x
  2. Step 2: Convert to fraction form
    143,771.40/215,683.02 = 48,996.36/x
  3. Step 3: Cross multiply
    143,771.40x = 215,683.02 × 48,996.36
  4. Step 4: Simplify right side
    143,771.40x = 10,567,682,893.81
  5. Step 5: Solve for x
    x = 10,567,682,893.81/143,771.40
  6. Step 6: Final answer
    x = 73,503.37

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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.