Home / 143,186.96-214,763.76-38,014.10

Finding the Fourth Proportional to 143,186.96, 214,763.76 and 38,014.10

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Solution

The fourth proportional to 143,186.96, 214,763.76 and 38,014.10 is: 57,016.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,186.96 : 214,763.76 = 38,014.10 : x
  2. Step 2: Convert to fraction form
    143,186.96/214,763.76 = 38,014.10/x
  3. Step 3: Cross multiply
    143,186.96x = 214,763.76 × 38,014.10
  4. Step 4: Simplify right side
    143,186.96x = 8,164,051,049.02
  5. Step 5: Solve for x
    x = 8,164,051,049.02/143,186.96
  6. Step 6: Final answer
    x = 57,016.72

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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.