Home / 143,847.56-215,771.04-38,666.54

Finding the Fourth Proportional to 143,847.56, 215,771.04 and 38,666.54

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Solution

The fourth proportional to 143,847.56, 215,771.04 and 38,666.54 is: 57,999.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,847.56 : 215,771.04 = 38,666.54 : x
  2. Step 2: Convert to fraction form
    143,847.56/215,771.04 = 38,666.54/x
  3. Step 3: Cross multiply
    143,847.56x = 215,771.04 × 38,666.54
  4. Step 4: Simplify right side
    143,847.56x = 8,343,119,549.00
  5. Step 5: Solve for x
    x = 8,343,119,549.00/143,847.56
  6. Step 6: Final answer
    x = 57,999.73

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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.