Home / 269,339.81-371,690.06-148,478.43

Finding the Fourth Proportional to 269,339.81, 371,690.06 and 148,478.43

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Solution

The fourth proportional to 269,339.81, 371,690.06 and 148,478.43 is: 204,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,339.81 : 371,690.06 = 148,478.43 : x
  2. Step 2: Convert to fraction form
    269,339.81/371,690.06 = 148,478.43/x
  3. Step 3: Cross multiply
    269,339.81x = 371,690.06 × 148,478.43
  4. Step 4: Simplify right side
    269,339.81x = 55,187,955,813.01
  5. Step 5: Solve for x
    x = 55,187,955,813.01/269,339.81
  6. Step 6: Final answer
    x = 204,900.85

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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.