Home / 273,195.72-409,075.56-219,603.24

Finding the Fourth Proportional to 273,195.72, 409,075.56 and 219,603.24

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Solution

The fourth proportional to 273,195.72, 409,075.56 and 219,603.24 is: 328,827.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,195.72 : 409,075.56 = 219,603.24 : x
  2. Step 2: Convert to fraction form
    273,195.72/409,075.56 = 219,603.24/x
  3. Step 3: Cross multiply
    273,195.72x = 409,075.56 × 219,603.24
  4. Step 4: Simplify right side
    273,195.72x = 89,834,318,380.81
  5. Step 5: Solve for x
    x = 89,834,318,380.81/273,195.72
  6. Step 6: Final answer
    x = 328,827.69

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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.