Home / 143,280.73-214,907.92-48,500.08

Finding the Fourth Proportional to 143,280.73, 214,907.92 and 48,500.08

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Solution

The fourth proportional to 143,280.73, 214,907.92 and 48,500.08 is: 72,745.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,280.73 : 214,907.92 = 48,500.08 : x
  2. Step 2: Convert to fraction form
    143,280.73/214,907.92 = 48,500.08/x
  3. Step 3: Cross multiply
    143,280.73x = 214,907.92 × 48,500.08
  4. Step 4: Simplify right side
    143,280.73x = 10,423,051,965.28
  5. Step 5: Solve for x
    x = 10,423,051,965.28/143,280.73
  6. Step 6: Final answer
    x = 72,745.66

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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.