Home / 216,137.76-324,205.68-58,382.40

Finding the Fourth Proportional to 216,137.76, 324,205.68 and 58,382.40

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Solution

The fourth proportional to 216,137.76, 324,205.68 and 58,382.40 is: 87,573.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,137.76 : 324,205.68 = 58,382.40 : x
  2. Step 2: Convert to fraction form
    216,137.76/324,205.68 = 58,382.40/x
  3. Step 3: Cross multiply
    216,137.76x = 324,205.68 × 58,382.40
  4. Step 4: Simplify right side
    216,137.76x = 18,927,905,692.03
  5. Step 5: Solve for x
    x = 18,927,905,692.03/216,137.76
  6. Step 6: Final answer
    x = 87,573.34

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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.