Home / 147,941.10-221,765.85-73,072.80

Finding the Fourth Proportional to 147,941.10, 221,765.85 and 73,072.80

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Solution

The fourth proportional to 147,941.10, 221,765.85 and 73,072.80 is: 109,537.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,941.10 : 221,765.85 = 73,072.80 : x
  2. Step 2: Convert to fraction form
    147,941.10/221,765.85 = 73,072.80/x
  3. Step 3: Cross multiply
    147,941.10x = 221,765.85 × 73,072.80
  4. Step 4: Simplify right side
    147,941.10x = 16,205,051,603.88
  5. Step 5: Solve for x
    x = 16,205,051,603.88/147,941.10
  6. Step 6: Final answer
    x = 109,537.18

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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.