Home / 269,205.11-371,505.54-148,350.72

Finding the Fourth Proportional to 269,205.11, 371,505.54 and 148,350.72

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Solution

The fourth proportional to 269,205.11, 371,505.54 and 148,350.72 is: 204,725.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,205.11 : 371,505.54 = 148,350.72 : x
  2. Step 2: Convert to fraction form
    269,205.11/371,505.54 = 148,350.72/x
  3. Step 3: Cross multiply
    269,205.11x = 371,505.54 × 148,350.72
  4. Step 4: Simplify right side
    269,205.11x = 55,113,114,342.99
  5. Step 5: Solve for x
    x = 55,113,114,342.99/269,205.11
  6. Step 6: Final answer
    x = 204,725.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.