Home / 143,313.63-215,001.03-48,540.50

Finding the Fourth Proportional to 143,313.63, 215,001.03 and 48,540.50

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Solution

The fourth proportional to 143,313.63, 215,001.03 and 48,540.50 is: 72,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,313.63 : 215,001.03 = 48,540.50 : x
  2. Step 2: Convert to fraction form
    143,313.63/215,001.03 = 48,540.50/x
  3. Step 3: Cross multiply
    143,313.63x = 215,001.03 × 48,540.50
  4. Step 4: Simplify right side
    143,313.63x = 10,436,257,496.72
  5. Step 5: Solve for x
    x = 10,436,257,496.72/143,313.63
  6. Step 6: Final answer
    x = 72,821.11

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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.