Home / 142,865.73-214,298.60-48,087.98

Finding the Fourth Proportional to 142,865.73, 214,298.60 and 48,087.98

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Solution

The fourth proportional to 142,865.73, 214,298.60 and 48,087.98 is: 72,131.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,865.73 : 214,298.60 = 48,087.98 : x
  2. Step 2: Convert to fraction form
    142,865.73/214,298.60 = 48,087.98/x
  3. Step 3: Cross multiply
    142,865.73x = 214,298.60 × 48,087.98
  4. Step 4: Simplify right side
    142,865.73x = 10,305,186,790.83
  5. Step 5: Solve for x
    x = 10,305,186,790.83/142,865.73
  6. Step 6: Final answer
    x = 72,131.97

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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.