Home / 269,340.06-371,690.40-148,478.68

Finding the Fourth Proportional to 269,340.06, 371,690.40 and 148,478.68

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Solution

The fourth proportional to 269,340.06, 371,690.40 and 148,478.68 is: 204,901.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,340.06 : 371,690.40 = 148,478.68 : x
  2. Step 2: Convert to fraction form
    269,340.06/371,690.40 = 148,478.68/x
  3. Step 3: Cross multiply
    269,340.06x = 371,690.40 × 148,478.68
  4. Step 4: Simplify right side
    269,340.06x = 55,188,099,960.67
  5. Step 5: Solve for x
    x = 55,188,099,960.67/269,340.06
  6. Step 6: Final answer
    x = 204,901.19

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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.