Home / 143,948.34-215,988.12-73,876.86

Finding the Fourth Proportional to 143,948.34, 215,988.12 and 73,876.86

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Solution

The fourth proportional to 143,948.34, 215,988.12 and 73,876.86 is: 110,848.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,948.34 : 215,988.12 = 73,876.86 : x
  2. Step 2: Convert to fraction form
    143,948.34/215,988.12 = 73,876.86/x
  3. Step 3: Cross multiply
    143,948.34x = 215,988.12 × 73,876.86
  4. Step 4: Simplify right side
    143,948.34x = 15,956,524,102.90
  5. Step 5: Solve for x
    x = 15,956,524,102.90/143,948.34
  6. Step 6: Final answer
    x = 110,848.96

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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.